The Nut,self-Locking,double Hexagon, cataloged under National Stock Number 5310-01-718-5365, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-718-5365 |
| Primary Part Number | AS3554-10 |
| Item Name | Nut,self-Locking,double Hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Width Across Flats | 0.3125 INCHES NOMINAL IN |
| Nut Length | 0.450 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS2411 NATIONAL STD SINGLE TREATMENT RESPONSE THREADS |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Material Document and Classification | AMS5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.322 INCHES NOMINAL IN |
| Surface Treatment | SILVER THREADS |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 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 |
NSN 5310-01-718-5365 is a Nut,self-Locking,double Hexagon, manufactured by Sae International Dba Sae International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-718-5365 has 2 manufacturer part numbers on file: AS3554-10 (Leonardo Spa Helicopters Division - Production Site), AS3554-10 (Sae International Dba Sae International).
Key specifications for AS3554-10: Width Across Flats: 0.3125 INCHES NOMINAL IN; Nut Length: 0.450 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS2411 NATIONAL STD SINGLE TREATMENT RESPONSE THREADS; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 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.