The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-024-5801, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 13 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-024-5801 |
| Primary Part Number | 20A12207 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| FSC Application Data | ENGINE ACCESSORY,ACFT |
| First Step Diameter | 1.0000 INCHES NOMINAL IN |
| End Diameter | 0.7750 INCHES MINIMUM AND 0.7800 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.1000 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Material Document and Classification | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE |
| Counterbore Length | 0.0300 INCHES NOMINAL IN |
| Counterbore Diameter | 0.6800 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 30.0 |
| Spherical Seat Top Radius | 0.0300 INCHES NOMINAL IN |
| Bore Diameter | 0.2570 INCHES NOMINAL IN |
| Material | STEEL COMP 416SE |
| 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 |
|---|---|
| 20A12207 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5340-00-024-5801 is a Seat,helical Compression Spring, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-024-5801 has 1 manufacturer part number on file: 20A12207 (Triumph Engine Control Systems Llc).
Key specifications for 20A12207: Overall Height: 0.1500 INCHES NOMINAL IN; FSC Application Data: ENGINE ACCESSORY,ACFT; First Step Diameter: 1.0000 INCHES NOMINAL IN; End Diameter: 0.7750 INCHES MINIMUM AND 0.7800 INCHES MAXIMUM IN. 13 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.