The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-170-8288, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-170-8288 |
| Primary Part Number | 75A613627-2003 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | RUDDER PEDAL ASSEMBLY |
| First Step Diameter | 1.4000 INCHES NOMINAL IN |
| End Diameter | 1.1500 INCHES NOMINAL IN |
| Second End Diameter | 1.3000 INCHES NOMINAL IN |
| Distance From End to First Step | 0.8500 INCHES NOMINAL IN |
| Design Type | SOLID |
| Second Step Length | 0.1000 INCHES NOMINAL IN |
| Style Designator | SEAT |
| Material Document and Classification | QQ-A-225/9, ALLOY 7075, T7351 FED SPEC SINGLE MATERIAL RESPONSE |
| Second Step Diameter | 1.8000 INCHES NOMINAL IN |
| First Step Length | 0.6000 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Bore Diameter | 1.0060 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| 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 |
|---|---|
| 75A613627-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75A613627-2003 | 5/9 Secondary reference Br Machine Parts Inc |
NSN 5340-01-170-8288 is a Seat,helical Compression Spring, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-170-8288 has 1 manufacturer part number on file: 75A613627-2003 (The Boeing Company Div Defense).
Key specifications for 75A613627-2003: Overall Height: 1.8700 INCHES NOMINAL IN; FSC Application Data: RUDDER PEDAL ASSEMBLY; First Step Diameter: 1.4000 INCHES NOMINAL IN; End Diameter: 1.1500 INCHES NOMINAL IN. 14 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.