The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-182-7390, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Services. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | The Boeing Company Div Services (CAGE 0PXV4); Honeywell Aerospace Yeovil Div Aerospace -Yeovil (CAGE U1605); The Boeing Company Div Defense (CAGE 76301) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-182-7390 |
| Primary Part Number | 100A224251 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Services |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 100A224251 | The Boeing Company Div Services (USA) |
| A224251 | Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR) |
| 100A224251 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 100A224251 | 3/9 Design control — primary reference Mbda Uk Ltd |
| 100A224251 | 5/9 Secondary reference Honeywell Aerospace Yeovil Div Aerospace -Yeovil |
NSN 5340-01-182-7390 is a Seat,helical Compression Spring, manufactured by The Boeing Company Div Services, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-182-7390 has 3 manufacturer part numbers on file: 100A224251 (The Boeing Company Div Services), A224251 (Honeywell Aerospace Yeovil Div Aerospace -Yeovil), 100A224251 (The Boeing Company Div Defense).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5340-01-182-7390 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.