The Washer,spring Tension, cataloged under National Stock Number 5310-01-391-6752, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-391-6752 |
| Primary Part Number | 202554 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Hardness Rating | 50.0 ROCKWELL C NOMINAL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-391-6752 is a Washer,spring Tension, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-391-6752 has 3 manufacturer part numbers on file: 202553 (Eaton Limited), 202554 (Eaton Limited), 202554 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-508-0852. Verify interchangeability with system specifications before substitution.
Key specifications for 202554: Hardness Rating: 50.0 ROCKWELL C NOMINAL; Special Features: MATL CARBON SPRING STEEL PER MS17919; 2 TANGS CUT ON WASHER TO CREATE SPRING; OPEN AND CLOSED END; Material: STEEL OVERALL. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.