The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-775-1855, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-775-1855 |
| Primary Part Number | 114C1246-3 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| FSC Application Data | SPRING ASSEMBLY PITCH |
| First Step Diameter | 1.3750 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN |
| End Diameter | 0.7800 INCHES NOMINAL IN |
| Distance From End to First Step | 0.2500 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Material Document and Classification | QQ-A-200/8, 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/8, 6061, T6510 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/8, 6061, T6511 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-A-22771,ALLOY 6061,T652 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bore Diameter | 0.4520 INCHES MINIMUM AND 0.4600 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 114C1246-3 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 114C1246-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-775-1855 is a Seat,helical Compression Spring, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-775-1855 has 1 manufacturer part number on file: 114C1246-3 (The Boeing Company).
Key specifications for 114C1246-3: Overall Height: 0.7500 INCHES NOMINAL IN; FSC Application Data: SPRING ASSEMBLY PITCH; First Step Diameter: 1.3750 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN; End Diameter: 0.7800 INCHES NOMINAL 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.
NSN 5340-00-775-1855 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.