The Washer,spring Tension, cataloged under National Stock Number 5310-01-271-9506, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Wilo Usa Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Wilo Usa Llc (CAGE 13646) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-271-9506 |
| Primary Part Number | 133.000.026 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Wilo Usa Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 133.000.026 PRIMARY | Wilo Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 133.000.265 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-271-9506 is a Washer,spring Tension, manufactured by Wilo Usa Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-271-9506 has 1 manufacturer part number on file: 133.000.026 (Wilo Usa Llc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-297-3042. Verify interchangeability with system specifications before substitution.
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.