The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-066-6759, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-01-066-6759 |
| Primary Part Number | 21NE-040 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | CANCELLED |
| Thread Series | UNJC |
| Thread Class | 3B |
| Width Across Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL EXCEPT INSERT |
| Bearing Surface Type | CHAMFERED |
| Material | STEEL OVERALL EXCEPT INSERT |
| Nominal Thread Size | 0.250 INCHES IN |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Temp Rating | 250.0 FAHRENHEIT MAXIMUM DEGF |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Thread Quantity Per Inch | 20 |
| Nut Height | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 66419AX | Oshkosh Defense Llc (USA) |
| 66419AX | Oshkosh Corp (USA) |
| 21NE-040 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 34272 | Barnes Group Inc. Dba Barnes Distribution (USA) |
| 21NE040 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 21NE-040 | Greer Stop Nut, Inc. (USA) |
| SN-4 | Reid Supply Company (USA) |
| 21NE-040 | Harvard Industries Inc (USA) |
| 10275122 | Fwd Seagrave Holdings Lp (USA) |
| 9419454 | Rolls-Royce Solutions America Inc (USA) |
| 9440324 | General Motors Corp Chevrolet Motor Div Special Products Dept (USA) |
| 5593035 | Am General Llc (USA) |
| 734678-0013 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 66419-A | Oshkosh Corp (USA) |
| 131-71 | Cnh Industrial America Llc Dba Cnh America (USA) |
| 6630030 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 21NE040 | Esna, Llc (USA) |
| 9419454 | General Motors Corp (USA) |
| 219-9011 | Crane Carrier Company, Llc (USA) |
| 5310PL0370765 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 5310-01-066-6759 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-01-066-6759 has 20 cross-referenced part numbers: 66419AX (Oshkosh Defense Llc), 66419AX (Oshkosh Corp), 21NE-040 (Sps Technologies, Llc Dba PB Fasteners), 34272 (Barnes Group Inc. Dba Barnes Distribution), 21NE040 (Zf Industrieantriebe Witten Gmbh) and 15 more.
There are 12 known substitutes for 5310-01-066-6759: 5960-00-099-8575, 1560-00-123-0446, 5960-00-188-0821 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21NE-040: Thread Series: UNJC; Thread Class: 3B; Width Across Flats: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN; Surface Treatment: ZINC OVERALL EXCEPT INSERT. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-01-066-6759 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.