The Washer,spring Tension, cataloged under National Stock Number 5310-01-499-8487, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hansome Energy Systems Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-499-8487 |
| Primary Part Number | 35808-41 ITEM 143 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | FF-W-84, CLASS B STYLE 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.500 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 |
|---|---|
| 35808-41 ITEM 143 PRIMARY | Hansome Energy Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 35808-4ITEM143 | C/1 Advisory reference — outside the item-of-supply concept Hansome Energy Systems Inc |
NSN 5310-01-499-8487 is a Washer,spring Tension, manufactured by Hansome Energy Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-499-8487 has 1 manufacturer part number on file: 35808-41 ITEM 143 (Hansome Energy Systems Inc).
Key specifications for 35808-41 ITEM 143: Style Designator: SPRING TENSION; Material Document and Classification: FF-W-84, CLASS B STYLE 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL CORROSION RESISTING OVERALL; Hole Diameter: 0.500 INCHES NOMINAL IN. 4 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.