The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-176-5077, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-176-5077 |
| Primary Part Number | 839367 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| FSC Application Data | POPPET VALVE SPRING,DIESEL ENGINE |
| First Step Diameter | 1.8100 INCHES NOMINAL IN |
| End Diameter | 0.5000 INCHES NOMINAL IN |
| Distance From End to First Step | 0.3640 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Counterbore Length | 0.0940 INCHES NOMINAL IN |
| Counterbore Diameter | 0.7500 INCHES NOMINAL IN |
| Bore Taper in Deg | 7.200 |
| Bore Diameter | 0.4680 INCHES NOMINAL 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 |
|---|---|
| 839367 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 839367 | 5/9 Secondary reference General Motors Corp |
| 839367 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 5340-00-176-5077 is a Seat,helical Compression Spring, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-176-5077 has 1 manufacturer part number on file: 839367 (General Motors Llc Dba General Motors Llc).
Key specifications for 839367: Overall Height: 0.4690 INCHES NOMINAL IN; FSC Application Data: POPPET VALVE SPRING,DIESEL ENGINE; First Step Diameter: 1.8100 INCHES NOMINAL IN; End Diameter: 0.5000 INCHES NOMINAL IN. 11 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.