The Washer,spring Tension, cataloged under National Stock Number 5310-00-271-8500, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-271-8500 |
| Primary Part Number | 650876 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| Status | ACTIVE |
| Outside Diameter | 0.217 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN |
| Material Thickness | 0.0106 INCHES MINIMUM AND 0.0146 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.107 INCHES MINIMUM AND 0.111 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 |
|---|---|
| 650876 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| Reference | Meaning |
|---|---|
| 1660-039671205 | 5/9 Secondary reference U.S. Government activity |
| R43ARC10353 | 3/2 Design control — primary reference U.S. Government activity |
| 10353-1B | 5/9 Secondary reference Cessna Aircraft Co Arc Avionics Div |
NSN 5310-00-271-8500 is a Washer,spring Tension, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-271-8500 has 1 manufacturer part number on file: 650876 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).
1 possible match (shared part number, not a government interchangeability claim): 6525-01-340-4963. Verify interchangeability with system specifications before substitution.
Key specifications for 650876: Overall Height: 0.042 INCHES NOMINAL IN; Outside Diameter: 0.217 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN; Material Thickness: 0.0106 INCHES MINIMUM AND 0.0146 INCHES MAXIMUM IN; Surface Treatment: NICKEL OVERALL. 5 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.