The Washer,spring Tension, cataloged under National Stock Number 5310-00-437-9434, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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 | 5310-00-437-9434 |
| Primary Part Number | WK251539 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Barnes Group Inc |
| Status | ACTIVE |
| Hole Diameter | 2.160 INCHES NOMINAL IN |
| Material | STEEL COMP 1070 AND STEEL COMP 1095 OVERALL |
| Outside Diameter | 2.381 INCHES NOMINAL IN |
| Material Thickness | 0.026 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | WK522001,TY 2,CL 2,FSCM 33525 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 251539 | Kidde-Fenwal, Llc (USA) |
| WK251539 PRIMARY | Barnes Group Inc (USA) |
| 251539 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 251539 | Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA) |
| 251539 | Sargent Aerospace a Dover Diversified Co (USA) |
NSN 5310-00-437-9434 is a Washer,spring Tension, manufactured by Barnes Group Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-437-9434 has 5 cross-referenced part numbers: 251539 (Kidde-Fenwal, Llc), WK251539 (Barnes Group Inc), 251539 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 251539 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging), 251539 (Sargent Aerospace a Dover Diversified Co).
There is 1 known substitute for 5310-00-437-9434: 5305-00-045-1988. Verify interchangeability with system specifications before substitution.
Key specifications for WK251539: Hole Diameter: 2.160 INCHES NOMINAL IN; Material: STEEL COMP 1070 AND STEEL COMP 1095 OVERALL; Outside Diameter: 2.381 INCHES NOMINAL IN; Material Thickness: 0.026 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.