The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-343-1769, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bossard Intl Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-343-1769 |
| Primary Part Number | DIN985 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bossard Intl Inc |
| Status | ACTIVE |
| Width Across Flats | 0.748 INCHES NOMINAL IN |
| Thread Tolerance Class | 8H INTERNAL |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.75 |
| Temp Rating | 60.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 32.2 ROCKWELL C NOMINAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 12.0 MILLIMETERS MM |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.012 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| DIN985 PRIMARY | Bossard Intl Inc (USA) |
| 985 PRIMARY | Metric and Multistandard Components Corp (USA) |
| Reference | Meaning |
|---|---|
| 12592461 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5310-01-343-1769 is a Nut,self-Locking,hexagon, manufactured by Bossard Intl Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-343-1769 has 2 manufacturer part numbers on file: DIN985 (Bossard Intl Inc), 985 (Metric and Multistandard Components Corp).
Key specifications for DIN985: Width Across Flats: 0.748 INCHES NOMINAL IN; Thread Tolerance Class: 8H INTERNAL; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: M. 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.