The Key,socket Head Screw, cataloged under National Stock Number 5120-01-657-4978, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Bondhus Corp. Government technical data includes 8 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 | 5120-01-657-4978 |
| Primary Part Number | 3713 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Bondhus Corp |
| Status | ACTIVE |
| Wrenching Surface Size | 0.313 INCHES NOMINAL SINGLE END IN |
| Style Designator | SCREWDRIVER HANDLE |
| Blade Length | 10.300 INCHES NOMINAL IN |
| Features Provided | BALL END |
| Wrenching Surface Shape | HEXAGON SINGLE END EXTERNAL |
| Surface Treatment | PHOSPHATE WRENCHING SURFACE |
| Material | PLASTIC HANDLE |
| Material | STEEL WRENCHING SURFACE |
| 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 |
|---|---|
| 3713 PRIMARY | Bondhus Corp (USA) |
NSN 5120-01-657-4978 is a Key,socket Head Screw, manufactured by Bondhus Corp, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-657-4978 has 1 manufacturer part number on file: 3713 (Bondhus Corp).
Key specifications for 3713: Wrenching Surface Size: 0.313 INCHES NOMINAL SINGLE END IN; Style Designator: SCREWDRIVER HANDLE; Overall Length: 15.100 INCHES NOMINAL IN; Blade Length: 10.300 INCHES NOMINAL IN. 8 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.