The Wrench,spanner, cataloged under National Stock Number 5120-00-939-8151, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 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 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 | 5120-00-939-8151 |
| Primary Part Number | 2003818 |
| Item Name | Wrench,spanner |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Opening Diameter | 0.650 INCHES NOMINAL IN |
| Pin Diameter | 0.125 INCHES NOMINAL IN |
| Style Designator | TUBULAR PIN |
| Outside Diameter | 1.220 INCHES NOMINAL IN |
| Features Provided | REPLACEABLE WRENCHING FEATURE |
| Center to Center Distance Between Pins | 0.938 INCHES NOMINAL IN |
| Material | STEEL COMP 1018 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 5120-00-939-8151 is a Wrench,spanner, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-939-8151 has 2 manufacturer part numbers on file: 3017419 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2003818 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-578-9583. Verify interchangeability with system specifications before substitution.
Key specifications for 2003818: Opening Diameter: 0.650 INCHES NOMINAL IN; Pin Diameter: 0.125 INCHES NOMINAL IN; Style Designator: TUBULAR PIN; Overall Length: 1.688 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.