The Washer,flat, cataloged under National Stock Number 5310-00-250-5250, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bright Lights Usa, Inc Dba Blusa Defense Manufacturing. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-250-5250 |
| Primary Part Number | 50389 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing |
| Status | CANCELLED |
| Overall Diameter | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 111 OVERALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.311 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Peripheral Shape Style | ROUND |
| Thickness | 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5310-00-250-5250 is a Washer,flat, manufactured by Bright Lights Usa, Inc Dba Blusa Defense Manufacturing, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-250-5250 has 3 cross-referenced part numbers: 50389 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), 50389 (Stewart-Warner Alemite Corp), 50389 (Minneapolis Wrought Washer Co).
There are 7 known substitutes for 5310-00-250-5250: 5307-00-206-1421, 4820-00-343-9164, 5330-00-514-6248 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 50389: Overall Diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN; Material: COPPER ALLOY 111 OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-250-5250 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.