The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-591-8335, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5120-01-591-8335 |
| Item Name | Crowfoot Attachment,socket Wrenc |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Status | ACTIVE |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 1.250 INCHES NOMINAL SINGLE END IN |
| Style Designator | OPEN END |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Surface Treatment | CHROMIUM 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 |
| Reference | Meaning |
|---|---|
| STP 5340CF | 5/9 Secondary reference Kipper Tool Company Dba Kipper Management Inc |
| 5340CF | 5/9 Secondary reference The Stanley Works Dba Stanley Proto |
| J5340CF | 3/1 Design control — primary reference The Stanley Works Dba Stanley Proto |
NSN 5120-01-591-8335 is a Crowfoot Attachment,socket Wrenc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-651-1634, 5120-01-652-0417. Verify interchangeability with system specifications before substitution.
Key specifications for 5120-01-591-8335: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 1.250 INCHES NOMINAL SINGLE END IN; Style Designator: OPEN END; Overall Length: 3.313 INCHES NOMINAL IN. 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.