The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-696-5320, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-696-5320 |
| Primary Part Number | 12561716-3 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 12.73 MILLIMETERS MINIMUM AND 13.05 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | CAGE 19207, DWG 12469117 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.25 |
| Material Document and Classification | G-50.101M MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 8.0 MILLIMETERS MM |
| Locking Feature | PREVAILING TORQUE |
| Nut Height | 6.5 MILLIMETERS MINIMUM AND 7.1 MILLIMETERS MAXIMUM MM |
| Surface Treatment | ZINC OVERALL |
| Nut Style | HEXAGON |
| 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 |
|---|---|
| 12561716-3 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12561716 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-01-696-5320 is a Nut,self-Locking,hexagon, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-696-5320 has 1 manufacturer part number on file: 12561716-3 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12561716-3: Width Across Flats: 12.73 MILLIMETERS MINIMUM AND 13.05 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: CAGE 19207, DWG 12469117 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: M; Thread Pitch in Millimeters: 1.25. 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.