The Washer,spring Tension, cataloged under National Stock Number 5310-00-705-2775, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 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 | 5310-00-705-2775 |
| Primary Part Number | 1287011-1 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-C-533 TEMPER A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.547 INCHES MINIMUM AND 3.578 INCHES MAXIMUM IN |
| Material Thickness | 0.024 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | BERYLLIUM OVERALL |
| Hole Diameter | 3.000 INCHES MINIMUM AND 3.031 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 |
NSN 5310-00-705-2775 is a Washer,spring Tension, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-705-2775 has 2 manufacturer part numbers on file: 9053841 (Us Army Aviation and Missile Command), 1287011-1 (Honeywell Intl Inc Defense Avionics Systems).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-203-4396. Verify interchangeability with system specifications before substitution.
Key specifications for 1287011-1: Overall Height: 0.156 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-C-533 TEMPER A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 3.547 INCHES MINIMUM AND 3.578 INCHES MAXIMUM 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.