The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-008-1698, 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 10 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 | 5340-01-008-1698 |
| Primary Part Number | 751625-1-1 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Countersink Angle in Deg | 90.0 |
| First Step Diameter | 0.4600 INCHES NOMINAL IN |
| Material Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM |
| End Diameter | 0.3500 INCHES MINIMUM AND 0.3520 INCHES MAXIMUM IN |
| Countersink Diameter | 0.1800 INCHES NOMINAL IN |
| Distance From End to First Step | 0.1600 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Counterbore Length | 0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.1330 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN |
| Chamfer Angle in Deg | 30.0 |
| 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 |
|---|---|
| 751625-1-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5340-01-008-1698 is a Seat,helical Compression Spring, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-008-1698 has 1 manufacturer part number on file: 751625-1-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 751625-1-1: Overall Height: 0.2200 INCHES NOMINAL IN; Countersink Angle in Deg: 90.0; First Step Diameter: 0.4600 INCHES NOMINAL IN; Material Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM. 10 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.