The Washer,spring Tension, cataloged under National Stock Number 5310-00-572-1024, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-572-1024 |
| Primary Part Number | 4035878 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM |
| Style Designator | SPRING TENSION |
| Material Document and Classification | AMS 5596 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 7.062 INCHES NOMINAL IN |
| Material Thickness | 0.016 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 718 OVERALL |
| Hole Diameter | 6.920 INCHES MINIMUM AND 6.925 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 |
|---|---|
| 4035878 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0724741 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4035878 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5310-00-572-1024 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 5310-00-572-1024 has 1 manufacturer part number on file: 4035878 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4035878: Overall Height: 0.040 INCHES NOMINAL IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM; Style Designator: SPRING TENSION; Material Document and Classification: AMS 5596 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.