The Washer,spring Tension, cataloged under National Stock Number 5310-00-371-2263, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cae Usa Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-371-2263 |
| Primary Part Number | 74987 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cae Usa Inc. |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.437 INCHES NOMINAL IN |
| Material Thickness | 0.006 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Material | STEEL COMP 1095 OVERALL |
| Hole Diameter | 0.262 INCHES NOMINAL 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 |
|---|---|
| 74987 PRIMARY | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 74987 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 5310-00-371-2263 is a Washer,spring Tension, manufactured by Cae Usa Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-371-2263 has 1 manufacturer part number on file: 74987 (Cae Usa Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5360-00-448-3914, 5305-00-637-8013, 5340-00-764-7361. Verify interchangeability with system specifications before substitution.
Key specifications for 74987: Overall Height: 0.062 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.437 INCHES NOMINAL IN. 7 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.