The Wrench,socket, cataloged under National Stock Number 5120-00-293-0137, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Martin Sprocket and Gear Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-293-0137 |
| Primary Part Number | 976A |
| Item Name | Wrench,socket |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Martin Sprocket and Gear Inc |
| Status | ACTIVE |
| Wrenching Surface Size | 1.637 INCHES MINIMUM AND 1.655 INCHES MAXIMUM SINGLE END IN |
| Style Designator | SINGLE SOCKET T |
| Features Provided | REMOVABLE HANDLE |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS |
| Wrenching Surface Shape | HEXAGON SINGLE END INTERNAL |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 976A PRIMARY | Martin Sprocket and Gear Inc (USA) |
| 36-3495 | Martin Sprocket and Gear Inc (USA) |
| Reference | Meaning |
|---|---|
| 976A | 5/9 Secondary reference Trw Inc Hand Tools Div Trw Industrial Products Group |
| GGG-W-641 TY1CL2 | 5/1 Secondary reference U.S. Government activity |
| GGG-W-641 | 4/1 Identification reference U.S. Government activity |
NSN 5120-00-293-0137 is a Wrench,socket, manufactured by Martin Sprocket and Gear Inc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-293-0137 has 2 manufacturer part numbers on file: 976A (Martin Sprocket and Gear Inc), 36-3495 (Martin Sprocket and Gear Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6105-00-306-0296, 4810-01-099-9199. Verify interchangeability with system specifications before substitution.
Key specifications for 976A: Wrenching Surface Size: 1.637 INCHES MINIMUM AND 1.655 INCHES MAXIMUM SINGLE END IN; Style Designator: SINGLE SOCKET T; Overall Length: 10.375 INCHES MINIMUM IN; Features Provided: REMOVABLE HANDLE. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.