The Washer,spring Tension, cataloged under National Stock Number 5310-01-033-2695, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-033-2695 |
| Primary Part Number | RS26257-1 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.625 INCHES MINIMUM AND 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM0.635 INCHES MAXIMUM IN |
| Material Thickness | 0.0236 INCHES NOMINAL0.0236 INCHES NOMINAL IN |
| Material | STEEL COMP 6150 OVERALL |
| Hole Diameter | 0.318 INCHES MINIMUM AND 0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM0.328 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RS26257-1 | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
| Reference | Meaning |
|---|---|
| AM168206 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-033-2695 is a Washer,spring Tension, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-033-2695 has 1 manufacturer part number on file: RS26257-1 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RS26257-1: Overall Height: 0.0403 INCHES MINIMUM AND 0.0403 INCHES MINIMUM AND 0.0453 INCHES MAXIMUM0.0453 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.625 INCHES MINIMUM AND 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM0.635 INCHES MAXIMUM IN. 6 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.