The Washer,spring Tension, cataloged under National Stock Number 5310-00-151-5577, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-151-5577 |
| Primary Part Number | 671110 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Heat Treatment | AS FABRICATED |
| Material Document and Classification | AMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.375 INCHES MINIMUM AND 3.385 INCHES MAXIMUM IN |
| Material Thickness | 0.024 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 3.215 INCHES MINIMUM AND 3.235 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 |
|---|---|
| 671110 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 671110 | 5/9 Secondary reference Royal Oak Gage, Inc |
NSN 5310-00-151-5577 is a Washer,spring Tension, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-151-5577 has 1 manufacturer part number on file: 671110 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-019-0866. Verify interchangeability with system specifications before substitution.
Key specifications for 671110: Overall Height: 0.120 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Heat Treatment: AS FABRICATED; Material Document and Classification: AMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.