The Nut,self-Locking,cap, cataloged under National Stock Number 5310-01-148-3696, 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 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-148-3696 |
| Primary Part Number | 68NKM-04 |
| Item Name | Nut,self-Locking,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | MIL-P-17091 MIL SPEC SINGLE MATERIAL RESPONSE CAP |
| Material Document and Classification | QQ-A-351,T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-268,T4 FED SPEC 2ND MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.344 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE NUT |
| Nut Style | CAP |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | PLASTIC POLYAMIDE NYLON CAP |
| Material | ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 NUT |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 9062909 | Us Army Aviation and Missile Command (USA) |
| 68NKM-04 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 68NKM-1024 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| 68NKM-1024 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| 68NKM-04 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-148-3696 is a Nut,self-Locking,cap, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-148-3696 has 2 manufacturer part numbers on file: 9062909 (Us Army Aviation and Missile Command), 68NKM-04 (Esna, Llc).
Key specifications for 68NKM-04: Width Across Flats: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: MIL-P-17091 MIL SPEC SINGLE MATERIAL RESPONSE CAP. 16 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.