The Washer,spring Tension, cataloged under National Stock Number 5310-00-936-8057, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Commercial. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-936-8057 |
| Primary Part Number | BACW10Z3 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| Outside Diameter | 0.389 INCHES NOMINAL IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| Specification/standard Data | 81205-BACW10Z MANUFACTURERS STANDARD |
| Surface Treatment | ZINC OVERALL |
| Hole Diameter | 0.205 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 |
|---|---|
| BACW10Z3 PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| BACW10Z3 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-936-8057 is a Washer,spring Tension, manufactured by The Boeing Company Div Commercial, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-936-8057 has 1 manufacturer part number on file: BACW10Z3 (The Boeing Company Div Commercial).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-669-4291. Verify interchangeability with system specifications before substitution.
Key specifications for BACW10Z3: Overall Height: 0.077 INCHES NOMINAL IN; Outside Diameter: 0.389 INCHES NOMINAL IN; Material Thickness: 0.020 INCHES NOMINAL IN; Specification/standard Data: 81205-BACW10Z MANUFACTURERS STANDARD. 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.