The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-154-6559, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-154-6559 |
| Primary Part Number | 8623664 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| End Diameter | 0.7000 INCHES NOMINAL IN |
| Design Type | SOLID |
| Material Document and Classification | SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE |
| Bore Diameter | 0.4380 INCHES MINIMUM AND 0.4480 INCHES MAXIMUM IN |
| Material | STEEL COMP 1010 |
| 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 |
|---|---|
| 8623664 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 8623664 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 5340PL1945696 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5340-01-154-6559 is a Seat,helical Compression Spring, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-154-6559 has 1 manufacturer part number on file: 8623664 (General Motors Llc Dba General Motors Llc).
Key specifications for 8623664: Overall Height: 0.3000 INCHES NOMINAL IN; End Diameter: 0.7000 INCHES NOMINAL IN; Design Type: SOLID; Material Document and Classification: SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE. 5 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.