The Washer,spring Tension, cataloged under National Stock Number 5310-00-337-5287, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Drs Environmental Systems Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-337-5287 |
| Primary Part Number | 241053 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Drs Environmental Systems Inc |
| Status | ACTIVE |
| FSC Application Data | ACFT HYDRAULIC,VACUUM AND DE-ICING SYSTEMS |
| Style Designator | SPRING TENSION |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 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 |
|---|---|
| 241053 PRIMARY | Drs Environmental Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 241053 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| 241053 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 5310-00-337-5287 is a Washer,spring Tension, manufactured by Drs Environmental Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-337-5287 has 1 manufacturer part number on file: 241053 (Drs Environmental Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-277-8462, 5920-01-684-1882. Verify interchangeability with system specifications before substitution.
Key specifications for 241053: Overall Height: 0.052 INCHES NOMINAL IN; FSC Application Data: ACFT HYDRAULIC,VACUUM AND DE-ICING SYSTEMS; Style Designator: SPRING TENSION; Outside Diameter: 1.000 INCHES NOMINAL IN. 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.