PSC codes › 4921
PSC 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment: federal contracts
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What PSC 4921 covers
Description: Torpedo Maintenance, Repair, and Checkout Specialized Equipment
Includes: Specially designed maintenance, test, checkout, and repair shop specialized equipment for maintenance and repair of torpedoes, torpedo components; adapters, fixtures, inspection and holding fixtures, leveling jack assemblies, fuel filling and syphon assemblies control surface adapter and protractor assemblies, afterbody cradle adapter and tilting mount assemblies, high pressure air heater assemblies, motor drier and puller assemblies, test stand levels and stands for overhaul, maintenance, test, checkout, and repair of torpedo and torpedo components, test panels, fixtures, and test sets for electrical circuits, firing circuits and torpedo test sets.
Excludes: Specially designed maintenance test, checkout and repair shop specialized equipment for maintenance and repair of ammunition, guided missiles, rockets, fire control, space vehicles, underwater mines, depth charges and nuclear ordnance. Also excludes "basic" types of electrical and electronic test instruments, such as ammeters, voltmeters, ohmmeters, multimeters, galvanometers and similar instruments.
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Industrial Products & Services › Machinery & Components.
Who is winning new PSC 4921 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| LOUGHMILLER MACHINE, TOOL & DESIGN | $1.4M | 1 |
| CENTRAL METAL FABRICATORS INC | $943K | 2 |
| BLOOMY CONTROLS INC | $919K | 1 |
| ORDNANCE TECHNOLOGY SERVICE, INC. | $694K | 58 |
| U.S.A. SPARES INC. | $279K | 7 |
| DUMBO DEFENSE INC | $271K | 4 |
| MTC ENGINEERING, LLC | $153K | 12 |
| CENTROID, INC. | $142K | 3 |
| SPENCER INDUSTRIES INC | $141K | 6 |
| WECKWORTH MANUFACTURING, INC | $130K | 4 |
How competitive is PSC 4921?
- 86.1% of obligations on these awards were competed.
- 34.9% of competed awards that report offers drew a single offer (n=301).
- 95.6% went to small businesses.
- The five largest contractors hold 63.6% across 80 contractors.
NAICS codes used on PSC 4921 awards
| NAICS | Industry | Share |
|---|---|---|
| 333310 | Commercial and Service Industry Machinery Manufacturing | 35.8% |
| 332312 | Fabricated Structural Metal Manufacturing | 21.1% |
| 334515 | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 15.0% |
| 333998 | All Other Miscellaneous General Purpose Machinery Manufacturing | 5.0% |
| 339999 | All Other Miscellaneous Manufacturing | 4.8% |
| 332993 | Ammunition (Except Small Arms) Manufacturing | 3.5% |
| 335999 | All Other Miscellaneous Electrical Equipment and Component Manufacturing | 2.9% |
| 332994 | Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 2.6% |
Related PSC codes
5340 Hardware · 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 3040 Miscellaneous Power Transmission Equipment · 5310 Nuts and Washers · 5365 Bushings, Rings, Shims and Spacers · 2590 Miscellaneous Vehicular Components · 5330 Packing and Gasket Materials · 5975 Electrical Hardware and Supplies
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