The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-176-4392, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-176-4392 |
| Primary Part Number | 3835392 |
| 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 | VALVE ASSEMBLIES,GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT PRIME MOVING AND STARTING ENGINE TYPES |
| First Step Diameter | 0.9380 INCHES MINIMUM AND 0.9540 INCHES MAXIMUM IN |
| End Diameter | 0.5000 INCHES NOMINAL IN |
| Distance From End to First Step | 0.2850 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Second Step Diameter | 1.2710 INCHES MINIMUM AND 2.2810 INCHES MAXIMUM IN |
| Bore Taper in Deg | 7.1 |
| First Step Length | 0.0400 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 7.1 |
| Bore Diameter | 0.4795 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 |
| Part Number | Manufacturer |
|---|---|
| 3835392 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 3835392 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 3835392 | 5/9 Secondary reference General Motors Corp |
NSN 5340-00-176-4392 is a Seat,helical Compression Spring, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-176-4392 has 1 manufacturer part number on file: 3835392 (General Motors Llc Dba General Motors Llc).
Key specifications for 3835392: Overall Height: 0.4150 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN; FSC Application Data: VALVE ASSEMBLIES,GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT PRIME MOVING AND STARTING ENGINE TYPES; First Step Diameter: 0.9380 INCHES MINIMUM AND 0.9540 INCHES MAXIMUM 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.