The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-068-7904, 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 24 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-068-7904 |
| Primary Part Number | K1031-5P |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Plate Thickness | 0.065 INCHES MAXIMUM IN |
| Nut Length | 1.292 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Plate Width | 0.485 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Temp Rating | 800.0 FAHRENHEIT MAXIMUM DEGF |
| Hardness Rating | 49.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Provision Location | OPPOSITE NUT PROJECTION SIDE |
| Nut Counterbore Depth | 0.065 INCHES MINIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Counterbore Diameter | 0.317 INCHES MINIMUM NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.328 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | ALL SURFACES SILVER |
| Welding Projection Quantity | 2 |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 OVERALL |
| Nut Mounting Provision | WELDING PROJECTIONS |
| 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 |
|---|---|
| K1031-5P | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| K1031-5P | 5/1 Secondary reference Howmet Global Fastening Systems Inc |
| K1031-5P | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| T2C524PWB | 5/9 Secondary reference Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace |
| MS21048-5W | 2/2 Government specification standardization U.S. Government activity |
| AN362WC524 | 5/9 Secondary reference U.S. Government activity |
| R2000C5W | 5/1 Secondary reference Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems |
NSN 5310-01-068-7904 is a Nut,self-Locking,plate, manufactured by Satair A/s, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-068-7904 has 1 manufacturer part number on file: K1031-5P (Satair A/s).
Key specifications for K1031-5P: Plate Thickness: 0.065 INCHES MAXIMUM IN; Nut Length: 1.292 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 24 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.