The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-050-3242, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-050-3242 |
| Primary Part Number | 68M82 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.344 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-A-351,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.234 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 2017 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 |
|---|---|
| 68M82 PRIMARY | Esna, Llc (USA) |
| 203-1011P18 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 8630-50-8 | 5/9 Secondary reference Highway Products Inc |
| 503242 | 5/9 Secondary reference CAGE 00000 |
| 68M82 | 5/9 Secondary reference Harvard Industries Inc |
| 203-1011P18 | 5/9 Secondary reference Raytheon Company Div Corp |
| 8630-50-8 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-050-3242 is a Nut,self-Locking,hexagon, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-050-3242 has 2 manufacturer part numbers on file: 68M82 (Esna, Llc), 203-1011P18 (Raytheon Company Dba Raytheon Co).
1 possible match (shared part number, not a government interchangeability claim): 3020-00-528-6839. Verify interchangeability with system specifications before substitution.
Key specifications for 68M82: Width Across Flats: 0.344 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-A-351,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 11 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.