The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-763-7582, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-763-7582 |
| Primary Part Number | 3012516 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| First Step Diameter | 0.5600 INCHES MINIMUM AND 0.5800 INCHES MAXIMUM IN |
| Material Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| End Diameter | 0.3900 INCHES MINIMUM AND 0.4100 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.4100 INCHES MINIMUM AND 0.4300 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Second Step Diameter | 0.8920 INCHES MINIMUM AND 0.9020 INCHES MAXIMUM IN |
| First Step Length | 0.1000 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 3012516 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
NSN 5340-00-763-7582 is a Seat,helical Compression Spring, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-763-7582 has 1 manufacturer part number on file: 3012516 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for 3012516: Overall Height: 0.5500 INCHES MINIMUM AND 0.5800 INCHES MAXIMUM IN; First Step Diameter: 0.5600 INCHES MINIMUM AND 0.5800 INCHES MAXIMUM IN; Material Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; End Diameter: 0.3900 INCHES MINIMUM AND 0.4100 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.