The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-459-9937, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. Government technical data includes 13 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 | 5340-00-459-9937 |
| Primary Part Number | 148524 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Countersink Angle in Deg | 45.0 |
| First Step Diameter | 1.7500 INCHES NOMINAL IN |
| End Diameter | 1.3200 INCHES MINIMUM AND 1.3400 INCHES MAXIMUM IN |
| Countersink Diameter | 0.8700 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN |
| Second End Diameter | 1.3900 INCHES MINIMUM AND 1.4100 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.2000 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Counterbore Length | 0.2100 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Counterbore Diameter | 1.2850 INCHES MINIMUM AND 1.3000 INCHES MAXIMUM IN |
| First Step Length | 0.1300 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN |
| Chamfer Angle in Deg | 30.0 |
| Bore Diameter | 0.7750 INCHES MINIMUM AND 0.7850 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 |
|---|---|
| 148524 PRIMARY | Cummins Inc. (USA) |
NSN 5340-00-459-9937 is a Seat,helical Compression Spring, manufactured by Cummins Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-459-9937 has 1 manufacturer part number on file: 148524 (Cummins Inc.).
Key specifications for 148524: Overall Height: 0.4500 INCHES MINIMUM AND 0.4700 INCHES MAXIMUM IN; Countersink Angle in Deg: 45.0; First Step Diameter: 1.7500 INCHES NOMINAL IN; End Diameter: 1.3200 INCHES MINIMUM AND 1.3400 INCHES MAXIMUM IN. 13 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.