The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-172-3750, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-172-3750 |
| Primary Part Number | 104731730 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| FSC Application Data | VALVE,LINEAR DIRECTIONAL CONTROL |
| First Step Diameter | 0.3100 INCHES NOMINAL IN |
| End Diameter | 0.1700 INCHES NOMINAL IN |
| Second End Diameter | 0.1700 INCHES NOMINAL IN |
| Distance From End to First Step | 0.1970 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| First Step Length | 0.0620 INCHES NOMINAL 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 104731730 PRIMARY | Ge Aviation Systems Llc (USA) |
| 104731730 | Triumph Aerospace Operations Uk, Ltd. Div Staverton Site (GBR) |
| Reference | Meaning |
|---|---|
| 104731730 | 5/9 Secondary reference Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
| 104731730 | 3/9 Design control — primary reference Ge Aviation Systems Llc Dba Ge Aviation |
NSN 5340-01-172-3750 is a Seat,helical Compression Spring, manufactured by Ge Aviation Systems Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-172-3750 has 2 manufacturer part numbers on file: 104731730 (Ge Aviation Systems Llc), 104731730 (Triumph Aerospace Operations Uk, Ltd. Div Staverton Site).
Key specifications for 104731730: Overall Height: 0.2590 INCHES NOMINAL IN; FSC Application Data: VALVE,LINEAR DIRECTIONAL CONTROL; First Step Diameter: 0.3100 INCHES NOMINAL IN; End Diameter: 0.1700 INCHES NOMINAL IN. 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.