The Washer,spring Tension, cataloged under National Stock Number 5310-00-490-4791, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Seastrom Manufacturing Co Inc. Government technical data includes 8 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-490-4791 |
| Primary Part Number | 5806-56-2 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Seastrom Manufacturing Co Inc |
| Status | CANCELLED |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material Thickness | 0.010 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Outside Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Hole Diameter | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Hardness Rating | 80.4 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 83.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| Heat Treatment | QUENCHED AND TEMPERED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5310-00-490-4791 is a Washer,spring Tension, manufactured by Seastrom Manufacturing Co Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-490-4791 has 4 cross-referenced part numbers: 10475 (Flotron), 993339-3 (Raytheon Company Dba Raytheon), 5806-56-2 (Seastrom Manufacturing Co Inc), 90134A031 (Mcmaster-Carr Supply Co).
There are 6 known substitutes for 5310-00-490-4791: 4320-00-218-3230, 6220-00-401-9905, 1005-00-715-7597 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5806-56-2: Surface Treatment: CADMIUM AND CHROMATE OVERALL; Material Thickness: 0.010 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-490-4791 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.