The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-411-9002, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Satair A/s. Government technical data includes 15 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-411-9002 |
| Primary Part Number | MK7231-06 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | A286 FSCM 72962 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Diameter | 0.265 INCHES MAXIMUM IN |
| Pilot Diameter | 0.186 INCHES MAXIMUM IN |
| Pilot Length | 0.035 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.178 INCHES MAXIMUM IN |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 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 |
|---|---|
| MK7231-06 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| MK7231-06 | 3/9 Design control — primary reference Howmet Global Fastening Systems Inc |
| LHC4256-62 | C/1 Advisory reference — outside the item-of-supply concept Harvard Industries Inc |
| 419440-4 | 7/2 Vendor item drawing reference U.S. Government activity |
| RMLHC4256-62 | 5/9 Secondary reference Harvard Industries Inc |
| 419440-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-411-9002 is a Nut,self-Locking,clinch, manufactured by Satair A/s, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-411-9002 has 1 manufacturer part number on file: MK7231-06 (Satair A/s).
Key specifications for MK7231-06: Lubrication: DRY FILM LUBRICANT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF; Material Document and Classification: A286 FSCM 72962 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 15 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.