The Socket,socket Wrench, cataloged under National Stock Number 5120-01-576-3389, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Brp Us Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-576-3389 |
| Primary Part Number | 331638 |
| Item Name | Socket,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Wrenching Surface Size | 0.312 INCHES NOMINAL SINGLE END IN |
| Style Designator | INTERNAL-INTERNAL |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| 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 |
|---|---|
| 331638 PRIMARY | Brp Us Inc (USA) |
NSN 5120-01-576-3389 is a Socket,socket Wrench, manufactured by Brp Us Inc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-576-3389 has 1 manufacturer part number on file: 331638 (Brp Us Inc).
Key specifications for 331638: Wrenching Surface Size: 0.312 INCHES NOMINAL SINGLE END IN; Style Designator: INTERNAL-INTERNAL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Special Features: FOR ROD SCREWS. 4 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.