The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-015-2219, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-015-2219 |
| Primary Part Number | 6846109 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| First Step Diameter | 0.8050 INCHES NOMINAL IN |
| Material Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| End Diameter | 0.1880 INCHES NOMINAL IN |
| Distance From End to First Step | 0.7300 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Counterbore Length | 0.3690 INCHES NOMINAL IN |
| Counterbore Diameter | 0.2810 INCHES NOMINAL IN |
| Bore Taper in Deg | 45.0 |
| Bore Diameter | 0.2190 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 6846109 PRIMARY | Rolls-Royce Corporation (USA) |
| 6846109 | Space Age Engineering, Inc (USA) |
| 6846109 | General Motors Corp (USA) |
| 6846109 | Plummer Machine Co Inc (USA) |
| 6846109 | Tmwt Corp Dba South Bend Screw Products (USA) |
| Reference | Meaning |
|---|---|
| 6846109 | 5/9 Secondary reference Dependable Machine Company Inc |
| 6846109 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5340-00-015-2219 is a Seat,helical Compression Spring, manufactured by Rolls-Royce Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-015-2219 has 5 manufacturer part numbers on file: 6846109 (Rolls-Royce Corporation), 6846109 (Space Age Engineering, Inc), 6846109 (General Motors Corp), 6846109 (Plummer Machine Co Inc), 6846109 (Tmwt Corp Dba South Bend Screw Products).
Key specifications for 6846109: Overall Height: 1.2130 INCHES NOMINAL IN; First Step Diameter: 0.8050 INCHES NOMINAL IN; Material Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM; End Diameter: 0.1880 INCHES NOMINAL IN. 11 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.