The Washer,spring Tension, cataloged under National Stock Number 5310-00-168-7307, 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-168-7307 |
| Primary Part Number | 662424 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Heat Treatment | AS FABRICATED |
| Hardness Rating | 44.0 ROCKWELL C MINIMUM |
| Style Designator | SPRING TENSION |
| Material Document and Classification | AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.520 INCHES MINIMUM AND 2.530 INCHES MAXIMUM IN |
| Material Thickness | 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 1.990 INCHES MINIMUM AND 2.000 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 |
|---|---|
| 662424 | Whitcraft Llc Dba Pursuit Aerospace (USA) |
| 662424 | Satellite Aerospace, Incorporated Dba Satellite Aerospace Inc (USA) |
| 662424 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 662424 | Tokyo Judoi Kogyo K.k. (JPN) |
| 662424 | Trego Inc (USA) |
| Reference | Meaning |
|---|---|
| 662424 | 5/9 Secondary reference Harvard Precision Components Inc |
| 662424 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 662424 | 5/9 Secondary reference Tokyo Judogi Kogyo Co. |
| 662424 | 5/9 Secondary reference Instrumatics Inc |
NSN 5310-00-168-7307 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 5310-00-168-7307 has 5 manufacturer part numbers on file: 662424 (Whitcraft Llc Dba Pursuit Aerospace), 662424 (Satellite Aerospace, Incorporated Dba Satellite Aerospace Inc), 662424 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 662424 (Tokyo Judoi Kogyo K.k.), 662424 (Trego Inc).
1 possible match (shared part number, not a government interchangeability claim): 5955-01-107-5272. Verify interchangeability with system specifications before substitution.
Key specifications for 662424: Overall Height: 0.114 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN; Heat Treatment: AS FABRICATED; Hardness Rating: 44.0 ROCKWELL C MINIMUM; 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.