The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-992-1163, 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 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-992-1163 |
| Primary Part Number | 75083 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| FSC Application Data | FUEL CONTROL UNIT,TURBINE ENGINE |
| First Step Diameter | 0.4000 INCHES NOMINAL IN |
| End Diameter | 0.2140 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM IN |
| Second End Diameter | 0.9000 INCHES NOMINAL IN |
| Distance From End to First Step | 0.2180 INCHES MINIMUM AND 0.2380 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Second Step Length | 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4120 ASSN STD SINGLE MATERIAL RESPONSE |
| Second Step Diameter | 1.1000 INCHES NOMINAL IN |
| First Step Length | 0.0920 INCHES MINIMUM AND 0.1120 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
NSN 5340-00-992-1163 is a Seat,helical Compression Spring, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-992-1163 has 2 manufacturer part numbers on file: 75083 (Triumph Engine Control Systems Llc), 75083 (Goodrich Control Systems Gmbh).
1 possible match (shared part number, not a government interchangeability claim): 2930-01-320-4593. Verify interchangeability with system specifications before substitution.
Key specifications for 75083: Overall Height: 0.4500 INCHES NOMINAL IN; FSC Application Data: FUEL CONTROL UNIT,TURBINE ENGINE; First Step Diameter: 0.4000 INCHES NOMINAL IN; End Diameter: 0.2140 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM IN. 12 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.