The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-334-0713, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-334-0713 |
| Primary Part Number | 511958PC4 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| First Step Diameter | 1.6600 INCHES MINIMUM AND 1.6650 INCHES MAXIMUM IN |
| End Diameter | 1.1600 INCHES MINIMUM AND 1.1700 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-P-16232, TYPE M, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Distance From End to First Step | 0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Surface Treatment | PHOSPHATE |
| Bore Diameter | 0.3900 INCHES MINIMUM AND 0.3970 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 |
| Part Number | Manufacturer |
|---|---|
| 511958PC4 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5340-00-334-0713 is a Seat,helical Compression Spring, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-334-0713 has 1 manufacturer part number on file: 511958PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 511958PC4: Overall Height: 0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN; First Step Diameter: 1.6600 INCHES MINIMUM AND 1.6650 INCHES MAXIMUM IN; End Diameter: 1.1600 INCHES MINIMUM AND 1.1700 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-P-16232, TYPE M, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE. 9 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.