The Washer,spring Tension, cataloged under National Stock Number 5310-01-098-9975, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-098-9975 |
| Primary Part Number | P12133-005-05 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Outside Diameter | 5.38 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM |
| Material Thickness | 0.427 MILLIMETERS MINIMUM AND 0.477 MILLIMETERS MAXIMUM MM |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 3.20 MILLIMETERS MINIMUM AND 3.32 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| P12133-005-05 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 410300 | 5/9 Secondary reference Schnorr Corp |
| S3 | 5/9 Secondary reference Bearing Engineers Inc Dba Motion Solutions |
NSN 5310-01-098-9975 is a Washer,spring Tension, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-098-9975 has 1 manufacturer part number on file: P12133-005-05 (Us Army Aviation and Missile Command).
2 possible matches (shared part number, not a government interchangeability claim): 4510-01-515-8516, 2510-01-617-8628. Verify interchangeability with system specifications before substitution.
Key specifications for P12133-005-05: Overall Height: 0.585 MILLIMETERS MINIMUM AND 0.685 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION. 8 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.