The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-605-5174, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ozark Aeroworks Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-605-5174 |
| Primary Part Number | 1-160-251-02 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ozark Aeroworks Llc |
| Status | ACTIVE |
| FSC Application Data | COMPRESSOR ROTOR,TURBINE ENGINE,ACFT |
| First Step Diameter | 2.9100 INCHES NOMINAL IN |
| Distance From End to First Step | 0.4600 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE |
| Counterbore Length | 0.2500 INCHES NOMINAL IN |
| Counterbore Diameter | 1.7400 INCHES NOMINAL IN |
| Bore Taper in Deg | 25.0 |
| Material | STEEL COMP 321 |
| 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 |
|---|---|
| 1-160-251-02 PRIMARY | Ozark Aeroworks Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-160-251-02 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5340-00-605-5174 is a Seat,helical Compression Spring, manufactured by Ozark Aeroworks Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-605-5174 has 1 manufacturer part number on file: 1-160-251-02 (Ozark Aeroworks Llc).
Key specifications for 1-160-251-02: Overall Height: 0.5000 INCHES NOMINAL IN; FSC Application Data: COMPRESSOR ROTOR,TURBINE ENGINE,ACFT; First Step Diameter: 2.9100 INCHES NOMINAL IN; Distance From End to First Step: 0.4600 INCHES NOMINAL IN. 10 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.