The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-341-7662, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-341-7662 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| End Diameter | 1.3710 INCHES MINIMUM AND 1.3900 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Design Type | SOLID |
| Material Document and Classification | AMS 4117, T6 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4116, T4 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4081 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4082 ASSN STD SINGLE MATERIAL RESPONSE |
| Second Step Diameter | 1.6310 INCHES MINIMUM AND 1.6510 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
| Reference | Meaning |
|---|---|
| 749180 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-341-7662 is a Seat,helical Compression Spring, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-341-7662: End Diameter: 1.3710 INCHES MINIMUM AND 1.3900 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A; Design Type: SOLID; Material Document and Classification: AMS 4117, T6 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4116, T4 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4081 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4082 ASSN STD SINGLE MATERIAL RESPONSE. 7 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.