The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-469-6537, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 9 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 | 5340-01-469-6537 |
| Primary Part Number | 821346-1 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| First Step Diameter | 0.4670 INCHES MINIMUM AND 0.4690 INCHES MAXIMUM IN |
| End Diameter | 0.2980 INCHES MINIMUM AND 0.3020 INCHES MAXIMUM IN |
| Second End Diameter | 0.3950 INCHES MINIMUM AND 0.4050 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| First Step Length | 0.0700 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 0.1960 INCHES MINIMUM AND 0.2100 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 821346-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5340-01-469-6537 is a Seat,helical Compression Spring, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-469-6537 has 1 manufacturer part number on file: 821346-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 821346-1: Overall Height: 0.3050 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM IN; First Step Diameter: 0.4670 INCHES MINIMUM AND 0.4690 INCHES MAXIMUM IN; End Diameter: 0.2980 INCHES MINIMUM AND 0.3020 INCHES MAXIMUM IN; Second End Diameter: 0.3950 INCHES MINIMUM AND 0.4050 INCHES MAXIMUM 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.