The Socket,wrench,face Spanner, cataloged under National Stock Number 5120-01-030-1976, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 12 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 | 5120-01-030-1976 |
| Primary Part Number | 6872477 |
| Item Name | Socket,wrench,face Spanner |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Opening Diameter | 1.660 INCHES MINIMUM AND 1.700 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Drive Surface Size | 0.503 INCHES MINIMUM AND 0.508 INCHES MAXIMUM SINGLE END IN |
| Angle Between Lugs | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM |
| Style Designator | LUG |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.660 INCHES MINIMUM AND 1.700 INCHES MAXIMUM IN |
| Lug Width | 0.170 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Lug Length | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 4140 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 |
|---|---|
| 6872477 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 5120-01-030-1976 is a Socket,wrench,face Spanner, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-030-1976 has 1 manufacturer part number on file: 6872477 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6872477: Opening Diameter: 1.660 INCHES MINIMUM AND 1.700 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Drive Surface Size: 0.503 INCHES MINIMUM AND 0.508 INCHES MAXIMUM SINGLE END IN; Angle Between Lugs: 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM. 12 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.