The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-348-8939, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-348-8939 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.450 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-N-45938/14 GOVERNMENT SPECIFICATION |
| Nut Height | 0.275 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Test Data Document | 81349-MIL-N-45938 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 32 |
| 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 |
| Reference | Meaning |
|---|---|
| MIL-N-45938/14 | 4/1 Identification reference U.S. Government activity |
| M45938/14-5L | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-348-8939 is a Nut,self-Locking,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-356-8426. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-348-8939: Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Nominal Thread Size: 0.190 INCHES IN; Nut Diameter: 0.450 INCHES NOMINAL IN; Specification/standard Data: 81349-MIL-N-45938/14 GOVERNMENT SPECIFICATION. 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.