The Washer,spring Tension, cataloged under National Stock Number 5310-01-449-2739, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Gardner Spring Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-449-2739 |
| Primary Part Number | MF0595-010-S |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Gardner Spring Inc |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.585 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN |
| Material Thickness | 0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.307 INCHES MINIMUM AND 0.327 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 |
|---|---|
| MF0595-010-S PRIMARY | Gardner Spring Inc (USA) |
| Reference | Meaning |
|---|---|
| F0595-010 EXC SS | 5/9 Secondary reference Barnes Group Inc Raymond Merchandise Div |
NSN 5310-01-449-2739 is a Washer,spring Tension, manufactured by Gardner Spring Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-449-2739 has 1 manufacturer part number on file: MF0595-010-S (Gardner Spring Inc).
Key specifications for MF0595-010-S: Overall Height: 0.093 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.585 INCHES MINIMUM AND 0.615 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.