The Nut,self-Locking,cone Seat,hexag, cataloged under National Stock Number 5310-01-064-3910, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-064-3910 |
| Primary Part Number | 12274570 |
| Item Name | Nut,self-Locking,cone Seat,hexag |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 1.247 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Cone Seat Angle | 90.0 DEGREES NOMINAL |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.776 INCHES NOMINAL IN |
| Nut Style | CONE SEAT, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 14 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 12274570 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5310010643910 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5310PL2220329 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-064-3910 is a Nut,self-Locking,cone Seat,hexag, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-064-3910 has 1 manufacturer part number on file: 12274570 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12274570: Width Across Flats: 1.247 INCHES NOMINAL IN; Thread Series: UNF; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM; Thread Direction: RIGHT-HAND. 12 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.