The Washer,flat, cataloged under National Stock Number 5310-01-589-0301, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Defense & Development Enterprises Llc. Government technical data includes 7 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-589-0301 |
| Primary Part Number | 21530-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Defense & Development Enterprises Llc |
| Status | ACTIVE |
| Hole Diameter | 0.500 INCHES NOMINAL IN |
| Thickness | 0.055 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Center Hole Shape Style | ROUND |
| Overall Diameter | 0.780 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND |
| Cross-Sectional Shape Style | RECTANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-01-589-0301 is a Washer,flat, manufactured by Defense & Development Enterprises Llc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-589-0301 has 2 cross-referenced part numbers: 21530-1 (Defense & Development Enterprises Llc), 21530-1 (Triumph Thermal Systems - Maryland, Inc.).
There are 6 known substitutes for 5310-01-589-0301: 5950-00-401-6393, 5340-00-402-5654, 5935-00-644-7066 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21530-1: Hole Diameter: 0.500 INCHES NOMINAL IN; End Item Identification: C-130 AIRCRAFT; Thickness: 0.055 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.