The Nut,self-Locking,double Hexagon, cataloged under National Stock Number 5310-00-721-5968, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Corporation. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-721-5968 |
| Primary Part Number | 6784445-5 |
| Item Name | Nut,self-Locking,double Hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Material | STEEL COMP 302 OVERALL |
| Material Document and Classification | AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Bearing Surface Type | CHAMFERED |
| Nominal Thread Size | 0.312 INCHES IN |
| Precious Material | SILVER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | SILVER OVERALL |
| Width Across Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Thread Class | 3B |
| Nut Style | DOUBLE HEXAGON |
| Nut Height | 0.349 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Thread Quantity Per Inch | 24 |
| Temp Rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-721-5968 is a Nut,self-Locking,double Hexagon, manufactured by Rolls-Royce Corporation, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-721-5968 has 4 cross-referenced part numbers: 6784445-5 (Allison Transmission Inc Dba Allison Transmission, Inc), 6784445-5 (General Motors Corp), 6784445-5 (Rolls-Royce Corporation), 51100-5 (Sps Technologies, Llc Dba PB Fasteners).
There are 4 known substitutes for 5310-00-721-5968: 5120-00-224-2504, 4920-01-012-7497, 4240-01-399-3349 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6784445-5: Locking Feature: PREVAILING TORQUE ALL METAL DESIGN; Material: STEEL COMP 302 OVERALL; Material Document and Classification: AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Bearing Surface Type: CHAMFERED. 15 total characteristics are documented in the Federal Logistics Information System.