The Socket,socket Wrench, cataloged under National Stock Number 5120-01-116-1871, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Ngk Metals Corporation Dba N G K Berylco. Government technical data includes 9 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-116-1871 |
| Primary Part Number | W-943 |
| Item Name | Socket,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Ngk Metals Corporation Dba N G K Berylco |
| Status | ACTIVE |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 1.250 INCHES NOMINAL SINGLE END IN |
| Style Designator | INTERNAL-INTERNAL |
| Features Provided | MANUAL TOOL AND NONSPARKING AND NONMAGNETIC |
| Specification/standard Data | 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS AND A STYLE |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Material | COPPER ALLOY 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 |
|---|---|
| W-943 | Ngk Metals Corporation Dba N G K Berylco (USA) |
| Reference | Meaning |
|---|---|
| AS954 | 3/1 Design control — primary reference Sae International Dba Sae International |
| W-274 | 5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc |
| W-943-2511 | 5/9 Secondary reference Ngk Metals Corporation Dba N G K Berylco |
| AS954 | 5/9 Secondary reference U.S. Government activity |
| AS954 TY1CL1STA | 5/1 Secondary reference U.S. Government activity |
| W-274 | 5/9 Secondary reference Ampco Partners, Ltd. Dba Ampco Safety Tools |
NSN 5120-01-116-1871 is a Socket,socket Wrench, manufactured by Ngk Metals Corporation Dba N G K Berylco, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-116-1871 has 1 manufacturer part number on file: W-943 (Ngk Metals Corporation Dba N G K Berylco).
Key specifications for W-943: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 1.250 INCHES NOMINAL SINGLE END IN; Style Designator: INTERNAL-INTERNAL; Overall Length: 1.81 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.