The Washer,spring Tension, cataloged under National Stock Number 5310-01-140-3088, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-140-3088 |
| Primary Part Number | 2802590-1 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Outside Diameter | 6.4 MILLIMETERS NOMINAL MM |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 3.2 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 2802590-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
| Reference | Meaning |
|---|---|
| 2802590-1 | 5/9 Secondary reference Leonardo Mw Ltd |
NSN 5310-01-140-3088 is a Washer,spring Tension, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-140-3088 has 1 manufacturer part number on file: 2802590-1 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 2802590-1: Overall Height: 0.4 MILLIMETERS NOMINAL MM; Outside Diameter: 6.4 MILLIMETERS NOMINAL MM; Material: STEEL CORROSION RESISTING OVERALL; Hole Diameter: 3.2 MILLIMETERS NOMINAL MM. 3 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.