The Washer,spring Tension, cataloged under National Stock Number 5310-01-395-9249, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Illinois Tool Works Inc. Div Itw Shakeproof Group Dba Itw Shakeproof Group. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-395-9249 |
| Primary Part Number | 3502-18-00-0542 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Illinois Tool Works Inc. Div Itw Shakeproof Group Dba Itw Shakeproof Group |
| Status | ACTIVE |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Outside Diameter | 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN |
| Material Thickness | 0.013 INCHES NOMINAL IN |
| Surface Treatment | OIL OVERALL |
| Material | STEEL COMP 1050 OVERALL |
| Hole Diameter | 0.322 INCHES MINIMUM AND 0.332 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 |
| Part Number | Manufacturer |
|---|---|
| 3502-18-00-0542 PRIMARY | Illinois Tool Works Inc. Div Itw Shakeproof Group Dba Itw Shakeproof Group (USA) |
| Reference | Meaning |
|---|---|
| 3502-18-00-0542 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
NSN 5310-01-395-9249 is a Washer,spring Tension, manufactured by Illinois Tool Works Inc. Div Itw Shakeproof Group Dba Itw Shakeproof Group, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-395-9249 has 1 manufacturer part number on file: 3502-18-00-0542 (Illinois Tool Works Inc. Div Itw Shakeproof Group Dba Itw Shakeproof Group).
Key specifications for 3502-18-00-0542: Overall Height: 0.060 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Outside Diameter: 0.485 INCHES MINIMUM AND 0.495 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.