The Washer,flat, cataloged under National Stock Number 5310-01-259-0294, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Southco Inc. Government technical data includes 9 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-259-0294 |
| Primary Part Number | 530021 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Center Hole Shape Style | ROUND |
| Material | STEEL OVERALL |
| Hole Diameter | 0.406 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thickness | 0.062 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND |
| Cross-Sectional Shape Style | RECTANGULAR |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-01-259-0294 is a Washer,flat, manufactured by Southco Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-259-0294 has 2 cross-referenced part numbers: 530021 (Southco Inc), 530021 (Avtron Aerospace Inc).
There is 1 known substitute for 5310-01-259-0294: 5305-01-183-3166. Verify interchangeability with system specifications before substitution.
Key specifications for 530021: Surface Treatment: CADMIUM AND CHROMATE OVERALL; Center Hole Shape Style: ROUND; Material: STEEL OVERALL; Hole Diameter: 0.406 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.