The Socket,wrench,face Spanner, cataloged under National Stock Number 5120-00-034-8443, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-034-8443 |
| Primary Part Number | 8390124 |
| Item Name | Socket,wrench,face Spanner |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Opening Diameter | 0.469 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Angle Between Lugs | 180.0 DEGREES NOMINAL |
| Style Designator | LUG |
| Outside Diameter | 0.688 INCHES NOMINAL IN |
| Lug Width | 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Lug Length | 0.121 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5120-00-034-8443 is a Socket,wrench,face Spanner, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-034-8443 has 2 manufacturer part numbers on file: 8390124 (L.a. Martin Company), 8390124 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8390124: Opening Diameter: 0.469 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Angle Between Lugs: 180.0 DEGREES NOMINAL. 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.