The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-514-8821, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-514-8821 |
| Primary Part Number | 124D91 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | CANCELLED |
| Thread Class | 3B |
| Thread Direction | RIGHT-HAND |
| Washer Thickness | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 24 |
| Thread Series | UNF |
| Hardness Rating | 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM |
| Nominal Thread Size | 0.312 INCHES IN |
| Width Across Flats | 0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
| Material Document and Classification | AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Washer Outside Diameter | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5310-00-514-8821 is a Nut,self-Locking,extended Washer, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-514-8821 has 2 cross-referenced part numbers: 200216 (Continental Built Wright Engine Parts), 124D91 (Curtiss-Wright Controls, Inc. Div Actuation Division).
There are 2 known substitutes for 5310-00-514-8821: 4130-01-459-5231, 5945-01-491-8387. Verify interchangeability with system specifications before substitution.
Key specifications for 124D91: Thread Class: 3B; Thread Direction: RIGHT-HAND; Washer Thickness: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Thread Quantity Per Inch: 24. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-514-8821 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.