The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-472-8820, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems. Government technical data includes 14 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-472-8820 |
| Primary Part Number | 21349 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems |
| Status | ACTIVE |
| Thread Quantity Per Inch | 28 |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Thread Series | UNF |
| Width Across Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OVERALL |
| Surface Treatment | SILVER OVERALL |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Class | 3B |
| Nut Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Temp Rating | 800.0 FAHRENHEIT NOMINAL DEGF |
| Washer Outside Diameter | 0.443 INCHES MAXIMUM IN |
| Washer Thickness | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 70Z1835-048 | Harvard Industries Inc (USA) |
| 21349 PRIMARY | Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA) |
| 70Z1835-048 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 561692-6 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5310-00-472-8820 is a Nut,self-Locking,extended Washer, manufactured by Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-472-8820 has 4 cross-referenced part numbers: 70Z1835-048 (Harvard Industries Inc), 21349 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems), 70Z1835-048 (Sps Technologies, Llc Dba PB Fasteners), 561692-6 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There are 6 known substitutes for 5310-00-472-8820: 5930-00-232-1516, 5310-00-942-6854, 5940-01-098-8732 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21349: Thread Quantity Per Inch: 28; Nominal Thread Size: 0.250 INCHES IN; Special Features: BEARING SURFACE SHALL BE SQUARE TO P.D. OF THREAD TO WITHIN 0.001 T.I.R.; Locking Feature: PREVAILING TORQUE ALL METAL DESIGN. 16 total characteristics are documented in the Federal Logistics Information System.