The Wrench,open End, cataloged under National Stock Number 5120-01-533-7103, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5120-01-533-7103 |
| Primary Part Number | 105953 |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion |
| Status | ACTIVE |
| 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 |
|---|---|
| 105953 PRIMARY | Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion (USA) |
NSN 5120-01-533-7103 is a Wrench,open End, manufactured by Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-533-7103 has 1 manufacturer part number on file: 105953 (Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-548-3193. Verify interchangeability with system specifications before substitution.
Key specifications for 105953: End Item Identification: ALEX LAUNCHING SYSTEM SUPPORT. 0 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.