The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-596-4255, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-596-4255 |
| Item Name | Crowfoot Attachment,socket Wrenc |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS A FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Surface Size | 1.004 INCHES MINIMUM AND 1.015 INCHES MAXIMUM SINGLE END IN |
| Wrenching Surface Size | 5.271 INCHES MINIMUM AND 5.281 INCHES MAXIMUM SINGLE END IN |
| Style Designator | OPEN END CAMBER |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Surface Treatment | CADMIUM OVERALL |
| Test Data Document | 71173-81205 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Material | STEEL COMP 4130 OVERALL |
| Head Thickness | 0.620 INCHES NOMINAL IN |
| 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 |
|---|---|
| F71173 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5120-00-596-4255 is a Crowfoot Attachment,socket Wrenc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
Key specifications for 5120-00-596-4255: Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS A FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Surface Size: 1.004 INCHES MINIMUM AND 1.015 INCHES MAXIMUM SINGLE END IN; Wrenching Surface Size: 5.271 INCHES MINIMUM AND 5.281 INCHES MAXIMUM SINGLE END IN; Style Designator: OPEN END CAMBER. 11 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.