The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-586-4502, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-586-4502 |
| Primary Part Number | J4918CF |
| Item Name | Crowfoot Attachment,socket Wrenc |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | ACTIVE |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 0.563 INCHES NOMINAL SINGLE END IN |
| Style Designator | OPEN END |
| Specification/standard Data | 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 CLASS |
| 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 |
| Part Number | Manufacturer |
|---|---|
| J4918CF | Henchman Group Pty Ltd the Trustee for Henchman Unit Trust (AUS) |
| 1UDR7 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| J4918CF PRIMARY | The Stanley Works Dba Stanley Proto (USA) |
| Reference | Meaning |
|---|---|
| 4918CF | 5/9 Secondary reference The Stanley Works Dba Stanley Proto |
| B107.21 TY2CL1 | 5/9 Secondary reference U.S. Government activity |
| J4918CF | 5/9 Secondary reference Henchman Products Pty Ltd |
| B107.100 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B107.100 CAT 21 TY2CL1 | 5/1 Secondary reference U.S. Government activity |
| B107.21 | 5/9 Secondary reference The American Society of Mechanical Engineers |
NSN 5120-01-586-4502 is a Crowfoot Attachment,socket Wrenc, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-586-4502 has 3 manufacturer part numbers on file: J4918CF (Henchman Group Pty Ltd the Trustee for Henchman Unit Trust), 1UDR7 (W.w. Grainger, Inc. Div Government Sales Division), J4918CF (The Stanley Works Dba Stanley Proto).
Key specifications for J4918CF: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 0.563 INCHES NOMINAL SINGLE END IN; Style Designator: OPEN END; Overall Length: 1.281 INCHES NOMINAL IN. 9 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.