The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-208-9261, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-208-9261 |
| Primary Part Number | 1287741-1 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | CANCELLED |
| Thread Class | 3B |
| Nominal Thread Size | 0.112 INCHES IN |
| Bearing Surface Type | CHAMFERED |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Nut Height | 0.109 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Temp Rating | -55.0 CELSIUS MINIMUM AND 120.0 CELSIUS MAXIMUM DEGC |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X NUT |
| Material Document and Classification | AMS 5640 ASSN STD ALL MATERIAL RESPONSES NUT |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 40 |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1287741-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 57A5A28-2 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 57A5A28-2 PRIMARY | Naval Air Warfare Center Aircraft Div (USA) |
| 108633-321 PRIMARY | Raytheon Company (USA) |
| 79NTM40 PRIMARY | Esna, Llc (USA) |
| 7296279NTM40 | Harvard Industries Inc (USA) |
| 79NTM40 | Harvard Industries Inc (USA) |
| TX93010-7 | Thompson Boiler Works (USA) |
NSN 5310-00-208-9261 is a Nut,self-Locking,hexagon, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-208-9261 has 8 cross-referenced part numbers: 1287741-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 57A5A28-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 57A5A28-2 (Naval Air Warfare Center Aircraft Div), 108633-321 (Raytheon Company), 79NTM40 (Esna, Llc) and 3 more.
There is 1 known substitute for 5310-00-208-9261: 5310-00-939-0849. Verify interchangeability with system specifications before substitution.
Key specifications for 1287741-1: Thread Class: 3B; Nominal Thread Size: 0.112 INCHES IN; Bearing Surface Type: CHAMFERED; Material: PLASTIC POLYAMIDE NYLON LOCKING INSERT. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-208-9261 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.