The Washer,spring Tension, cataloged under National Stock Number 5310-00-591-0145, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-591-0145 |
| Primary Part Number | 5910145 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | -QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 5.393 INCHES MINIMUM AND 5.433 INCHES MAXIMUM IN |
| Material Thickness | 0.171 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | A GRADE AND 2 CLASS |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE FILM OVERALL |
| Material | STEEL COMP 6150 OVERALL |
| Hole Diameter | 3.622 INCHES MINIMUM AND 3.647 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 |
|---|---|
| 5910145 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| MILS12133GRADEACLASS2 | 4/1 Identification reference U.S. Government activity |
NSN 5310-00-591-0145 is a Washer,spring Tension, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-591-0145 has 1 manufacturer part number on file: 5910145 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
1 possible match (shared part number, not a government interchangeability claim): 5310-00-591-0147. Verify interchangeability with system specifications before substitution.
Key specifications for 5910145: Overall Height: 0.219 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: -QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 5.393 INCHES MINIMUM AND 5.433 INCHES MAXIMUM IN. 9 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.