Torpedo Maintenance, Repair, and Checkout Specialized Equipment Government Contracts
PSC 4921 Product code
Code facts
- Spend category
- Industrial Products & Services Machinery & Components
- Part of
-
- 49
- Contract obligations
- $2,353,730 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Market summary
Top buying agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Defense Logistics Agency | $2,021,334 | |
| 2 | Department of the Navy | $115,726 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Central Metal Fabricators Inc. | $943,088 | |
| 2 | Ordnance Technology Service, Inc. | $228,653 | |
| 3 | A.g.h. Industries, LLC | $160,800 | |
| 4 | Black Bay Aerospace LLC | $97,994 | |
| 5 | Govparts LLC | $91,538 | |
| 6 | G Systems, Inc. | $75,930 | |
| 7 | Bradley-Thompson Tool Company | $59,265 | |
| 8 | Weckworth Manufacturing, Inc. | $56,341 | |
| 9 | Deval Life Cycle Support LLC | $39,550 | |
| 10 | Victor Microwave, Inc. | $33,955 |
See the full FY2025 ranking of PSC 4921 contractors, by parent company.
Open contract opportunities
| Notice | Posted | Due |
|---|---|---|
| Guard, propeller, TOR | ||
| Pump assembly | ||
| Test set subassembl, in repair/modification of |
Recent contract awards
| Award | Awarded | Obligated |
|---|---|---|
| 4921-01-578-0303 bwlw maintenance kit, torpedo MK54 rextorp | $27,250 | |
| Torque tool, sea | $1,247 | |
| Support, wrench | $2,066 | |
| Cover, vacuum test | $1,913 | |
| Test set subassembl | $4,200 | |
| Insret tool, receptacle O-ring | $7,500 | |
| Insert tool, receptacle O-ring | $15,000 | |
| Timer, cycle | $1,029 | |
| Insert tool recepta | $9,000 | |
| Insert tool recepta | $9,000 |
Latest 10 of 132 awarded in the last 12 months listed here. See the rest on GovTribe.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $2,137,060 |
| FY2025 | $2,353,730 |
| FY2024 | $2,627,427 |
| FY2023 | $1,957,802 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 333310 Commercial and Service Industry Machinery Manufacturing | $1,474,541 | |
| 2 | 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing | $288,624 | |
| 3 | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | $111,835 | |
| 4 | 334290 Other Communications Equipment Manufacturing | $75,930 | |
| 5 | 332993 Ammunition (except Small Arms) Manufacturing | $49,680 | |
| 6 | 332991 Ball and Roller Bearing Manufacturing | $29,719 | |
| 7 | 332618 Other Fabricated Wire Product Manufacturing | $28,773 | |
| 8 | 339999 All Other Miscellaneous Manufacturing | $27,250 | |
| 9 | 335931 Current-Carrying Wiring Device Manufacturing | $24,954 | |
| 10 | 332911 Industrial Valve Manufacturing | $24,196 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | New Jersey | $989,353 | |
| 2 | Ohio | $314,441 | |
| 3 | Texas | $209,479 | |
| 4 | Indiana | $116,492 | |
| 5 | Florida | $113,848 | |
| 6 | Kansas | $92,899 | |
| 7 | Michigan | $60,765 | |
| 8 | Pennsylvania | $59,725 | |
| 9 | New York | $44,769 | |
| 10 | Massachusetts | $33,955 | |
| 11 | California | $27,412 | |
| 12 | Connecticut | $8,895 | |
| 13 | Virginia | $1,870 | |
| 14 | Illinois | $1,206 | |
| 15 | Maryland | $300 |
Show all 15
Shares are of everything obligated under PSC 4921 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Definition
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.
Read the full definition
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.
Quick answers
What is PSC 4921?
PSC 4921 is Torpedo Maintenance, Repair, and Checkout Specialized Equipment, a product code in PSC 49, Maintenance/
How many government contracts for torpedo maintenance, repair, and checkout specialized equipment are there?
3 contract opportunities under PSC 4921 are open now, and 24 notices were posted in the last 90 days. Federal agencies awarded 132 contracts under PSC 4921 in the last 12 months, obligating $2,075,410.
How much do federal agencies spend under PSC 4921?
Federal contracts under PSC 4921 obligated $2,353,730 in fiscal year 2025 and $9,076,018 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC 4921?
The contractors with the most obligated under PSC 4921 in fiscal years 2026 and 2027 are Central Metal Fabricators Inc. ($943,088); Ordnance Technology Service, Inc. ($228,653); and A.g.h. Industries, LLC ($160,800).
Which agencies buy the most under PSC 4921?
The agencies that obligated the most under PSC 4921 in fiscal years 2026 and 2027 are Defense Logistics Agency ($2,021,334) and Department of the Navy ($115,726).
Which NAICS codes are used with PSC 4921?
The NAICS codes with the most obligated under PSC 4921 in fiscal years 2026 and 2027 are 333310 Commercial and Service Industry Machinery Manufacturing; 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing; and 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing.
Where is the work under PSC 4921 performed?
By place of performance, the states with the most contract obligations under PSC 4921 over the last 12 months are New Jersey ($989,353), Ohio ($314,441) and Texas ($209,479).
What is the latest open contract opportunity under PSC 4921?
The latest open contract opportunity under PSC 4921 is Guard, propeller, TOR, solicitation from Land and Maritime (DLA), posted November 9, 2026.
On GovTribe
See everything under PSC 4921
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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