The Wrench,socket, cataloged under National Stock Number 5120-00-357-9238, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-357-9238 |
| Primary Part Number | 7435D |
| Item Name | Wrench,socket |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Wrenching Surface Size | 0.641 INCHES NOMINAL SINGLE END IN |
| Style Designator | SINGLE SOCKET BRACE |
| Wrenching Surface Shape | HEXAGON SINGLE END INTERNAL |
| Surface Treatment | PHOSPHATE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5120-00-357-9238 is a Wrench,socket, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-357-9238 has 2 manufacturer part numbers on file: 51759363 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 7435D (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-282-8355. Verify interchangeability with system specifications before substitution.
Key specifications for 7435D: Surface Treatment Document and Classification: MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Wrenching Surface Size: 0.641 INCHES NOMINAL SINGLE END IN; Style Designator: SINGLE SOCKET BRACE; Overall Length: 18.812 INCHES NOMINAL IN. 5 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.