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PSC Code
4925

PSC 4925: AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQU — Federal Procurement Code

49 - MAINT/REPAIR SHOP EQPT L1: Industrial Products & Services

Description

Ammunition Maintenance, Repair, and Checkout Specialized Equipment

Includes

Specially designed maintenance, test, checkout, and repair shop specialized equipment, for maintenance and repair of ammunition items; adapters; ammunition feeders and hoppers; inspection and holding fixtures; linkers, linkers-delinkers, and delinkers to assemble and disassemble ammunition belts; surveillance ovens; explosimeters; primer firing device fixtures; mandrels; repositioning machines; gas bomb service kits; test fixtures; panels; plug assemblies; and test sets for ammunition maintenance, checkout, and repair.

Excludes

Maintenance, repair, checkout and test equipment specially designed for use with guided missiles, guided missile remote control systems, guided missile systems; fire control; nuclear ordnance; rockets, underwater mines and depth charges; torpedoes; space vehicles and test equipment for aircraft weapon launchers; basic types of electrical and electronic test instruments, such as ammeters, voltmeters, ohmmeters, multimeters, and similar instruments as shown in the indexes to the FSC.

Suggested adjacent classifications

PSC codes describe what the government buys. These related classifications help connect procurement codes to industries, commodities, and trade workflows.

Who is this code for

Occupations and roles commonly associated with this classification

Also relevant for

Source: O*NET / BLS occupation data · O*NET 30.2 / BLS SOC

Frequently asked questions

What is NAICS 4925?
NAICS 4925 is the North American Industry Classification System code for AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT. It classifies this business activity for statistical, regulatory, and government procurement purposes. Federal agencies use NAICS codes to collect and publish data about the US economy, determine SBA size standards, and set aside contracts for small businesses.
What licenses and permits does a AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT need?
A AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT typically needs a local business license, a federal EIN from the IRS, and industry-specific permits depending on the sector. Check with your city or county clerk for a general business license, your state's professional or industry licensing board for any required occupational licenses, and your state's tax authority for a sales tax permit if you sell taxable goods or services.
How do I register a AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT business in the United States?
To register a AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT business, first choose your legal structure: sole proprietorship (simplest, uses SSN), LLC (personal liability protection, files with your Secretary of State), or corporation (Form 1120 or 1120-S). Register your business name (DBA) with your county if operating under a trade name. Obtain an EIN from the IRS at irs.gov/ein. Register with your state revenue department for any applicable taxes.
What tax forms does a AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT file with the IRS?
Tax forms depend on your entity type. A sole proprietor files Schedule C with Form 1040 and Schedule SE for self-employment tax (15.3%). An LLC taxed as a partnership files Form 1065 with Schedule K-1s. A C-Corporation files Form 1120 (21% flat rate). An S-Corporation files Form 1120-S. All businesses paying employees file Form 940 (FUTA) annually and Form 941 quarterly. Estimated tax payments are made via Form 1040-ES four times per year.
Is AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT the right NAICS code for my business?
Your NAICS code should reflect your primary business activity — the one generating the most revenue or value. If AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT describes your main line of business, NAICS 4925 is likely correct. If you have multiple distinct activities, you may need separate codes for statistical reporting. For federal contracting, your SAM.gov registration should use the code that best matches the work you perform. Review the official NAICS 4925 description and exclusions to confirm it fits your operations.
What advertising and solicitation rules does a AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT need to follow?
Each profession has ethical rules governing advertising. Lawyers: ABA Model Rule 7.1-7.5 (no false/misleading claims, testimonials permitted with disclosures, specialization claims require certification). Accountants: AICPA Code of Conduct prohibits solicitation that creates false expectations or implies ability to influence officials. Real estate agents: must include brokerage name prominently. General FTC rules: all advertising claims must be truthful, not misleading, and substantiated. Using client names or logos requires written consent.
How does a AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT maintain client confidentiality and data security?
Professional ethical duties of confidentiality apply on top of legal privacy requirements. Lawyers: ABA Model Rule 1.6 and attorney-client privilege require safeguarding all information related to client representation, including implementing technical security measures against cyber threats. Healthcare: HIPAA plus state confidentiality laws. Accountants: IRC Section 7216 prohibits unauthorized disclosure of tax return information (criminal penalty). All should use encrypted email, secure file sharing (not regular email for sensitive docs), password policies, MFA, and written information security plans.
What continuing education (CE/CLE/CPE) does a AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT need?
Most licensed professions require continuing education. Lawyers: typically 12-15 CLE hours annually including ethics/professionalism credits (state bar requirement). CPAs: CPE hours range from 40-80 per 2-year period plus ethics (AICPA/NASBA standards). Real estate agents: 12-45 hours each renewal cycle (state-specific). Insurance producers: 24 CE biennially (3 hours ethics). Architects and engineers: 12-24 hours annually. Managing brokers have additional CE. Courses must be from approved providers. Carryover limits apply — track carefully to avoid late renewal.
Does a AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT need to register as a foreign entity to work across state lines?
Professional services delivered across state lines create both entity registration and individual licensing questions. If your professional entity (LLC, PC) has a physical presence, employees, or 'doing business' in another state, you typically must register as a foreign entity with that state's Secretary of State. Independent professionals providing occasional multi-state services often are individually licensed in each state but may not formally register their entity. Remote work considerations: post-COVID, many states take the position that providing professional services to residents of their state from outside creates a jurisdictional nexus requiring individual licensure.

How to use PSC 4925

1
Verify PSC code

Confirm AMMUNITION MAINTENANCE, REPAIR, AND CHECKOUT SPECIALIZED EQUIPMENT (4925) matches.

2
Search FPDS/USAspending

Find contracts using this PSC code.

3
Check NAICS mapping

Identify the corresponding NAICS industry for bidding.

4
Register at SAM.gov

Required for all federal contractors.

SAM.gov

Who uses this code?

Law Firm Owner

Runs a small law practice specializing in business law, family law, estate planning, or personal injury.

Licenses
  • State bar admission
  • Professional corporation (PC) registration
  • Malpractice insurance
  • IOLTA trust account
Tax Forms
  • Form 1065 or 1120-S (PC)
  • Form 940 (FUTA)
  • Form 941
Professional Photographer

Specializes in wedding, portrait, commercial, or real estate photography with studio and on-location sessions.

Licenses
  • Business license
  • Drone license (FAA Part 107, if aerial)
  • Model releases
Tax Forms
  • Schedule C (Form 1040)
  • Schedule SE (Form 1040)
  • State sales tax (on physical products)
Interior Designer

Provides space planning, finish selection, and furnishing specification for residential and commercial projects.

Licenses
  • NCIDQ certification (for commercial, state-dependent)
  • Business license
  • Resale certificate
Tax Forms
  • Schedule C (Form 1040)
  • Schedule SE (Form 1040)
  • State sales tax (on furnishings)
Graphic Designer

Creates branding, packaging, print collateral, and digital assets for clients as a freelance creative.

Licenses
  • Business license
Tax Forms
  • Schedule C (Form 1040)
  • Schedule SE (Form 1040)

Official data

Feature Description
Official name Product Service Codes (PSC)
Maintained by U.S. federal acquisition community / GSA PSC Manual
Purpose Classifies what the government buys: products and services
Primary use Federal procurement reporting, contract categorization, spend analysis
Code type Mixed/unspecified

When do you need PSC 4925?

1 Use PSC 4925 when identifying the product or service category on a U.S. federal contract.
2 Use it when filtering opportunities or spending data in SAM.gov, FPDS, or USASpending.
3 Use it when comparing a procurement category against related NAICS industries or UNSPSC commodities.
4 Use it when a contracting workflow needs the purchased item classification rather than the supplier industry code.