The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-166-5037, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk. Government technical data includes 8 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 | 5340-01-166-5037 |
| Primary Part Number | 200890634 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
| Status | ACTIVE |
| FSC Application Data | LANDING GEAR,RETRACTABLE,NOSE |
| First Step Diameter | 1.0700 INCHES NOMINAL IN |
| End Diameter | 0.7800 INCHES NOMINAL IN |
| Distance From End to First Step | 0.3000 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Bore Diameter | 0.6250 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 |
|---|---|
| 200890634 PRIMARY | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
NSN 5340-01-166-5037 is a Seat,helical Compression Spring, manufactured by Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-166-5037 has 1 manufacturer part number on file: 200890634 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk).
Key specifications for 200890634: Overall Height: 0.5600 INCHES NOMINAL IN; FSC Application Data: LANDING GEAR,RETRACTABLE,NOSE; First Step Diameter: 1.0700 INCHES NOMINAL IN; End Diameter: 0.7800 INCHES NOMINAL IN. 8 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.