The Socket,wrench,face Spanner, cataloged under National Stock Number 5120-01-397-8070, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 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 | 5120-01-397-8070 |
| Primary Part Number | 803-6397407 ASSY 99 |
| Item Name | Socket,wrench,face Spanner |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Pin Diameter | 0.250 INCHES NOMINAL IN |
| Drive Surface Size | 0.790 INCHES NOMINAL BODY CENTER IN |
| Style Designator | PIN |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Drive End Shape | SQUARE BODY CENTER INTERNAL |
| Functional Description | REMOVES/REPLACES 1-1/2 IN. SPRINKLER VALVE SEATS IN |
| 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 |
|---|---|
| 803-6397407 ASSY 99 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5120-01-397-8070 is a Socket,wrench,face Spanner, manufactured by Naval Sea Systems Command, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-397-8070 has 1 manufacturer part number on file: 803-6397407 ASSY 99 (Naval Sea Systems Command).
Key specifications for 803-6397407 ASSY 99: Pin Diameter: 0.250 INCHES NOMINAL IN; Drive Surface Size: 0.790 INCHES NOMINAL BODY CENTER IN; Style Designator: PIN; Overall Length: 0.400 INCHES NOMINAL IN. 7 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.