The Socket,wrench,face Spanner, cataloged under National Stock Number 5120-01-342-8129, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Enjet Aero Dayton Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-342-8129 |
| Primary Part Number | 140027-1 |
| Item Name | Socket,wrench,face Spanner |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Enjet Aero Dayton Inc |
| Status | ACTIVE |
| Opening Diameter | 0.625 INCHES NOMINAL IN |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Angle Between Lugs | 90.0 DEGREES NOMINAL |
| Style Designator | LUG |
| Outside Diameter | 1.380 INCHES NOMINAL IN |
| Lug Width | 0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Lug Length | 0.234 INCHES NOMINAL 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 |
|---|---|
| 140027-1 PRIMARY | Enjet Aero Dayton Inc (USA) |
| Reference | Meaning |
|---|---|
| 140027 | 5/9 Secondary reference Enjet Aero Dayton Inc |
NSN 5120-01-342-8129 is a Socket,wrench,face Spanner, manufactured by Enjet Aero Dayton Inc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-342-8129 has 1 manufacturer part number on file: 140027-1 (Enjet Aero Dayton Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6105-01-492-8957, 4920-01-563-9132. Verify interchangeability with system specifications before substitution.
Key specifications for 140027-1: Opening Diameter: 0.625 INCHES NOMINAL IN; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Angle Between Lugs: 90.0 DEGREES NOMINAL; Style Designator: LUG. 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.