The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-972-8871, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-972-8871 |
| Primary Part Number | 110-1220 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Cummins Power Generation Inc. |
| Status | ACTIVE |
| First Step Diameter | 0.8750 INCHES NOMINAL IN |
| End Diameter | 0.6875 INCHES NOMINAL IN |
| Distance From End to First Step | 0.1875 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Counterbore Length | 0.4375 INCHES NOMINAL IN |
| Second Step Diameter | 1.1875 INCHES NOMINAL IN |
| Counterbore Diameter | 0.5000 INCHES NOMINAL IN |
| Second Counterbore Length | 0.2187 INCHES NOMINAL IN |
| Second Counterbore Diameter | 0.7500 INCHES NOMINAL IN |
| First Step Length | 0.1562 INCHES NOMINAL IN |
| Bore Diameter | 0.3750 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 |
|---|---|
| 110-1220 PRIMARY | Cummins Power Generation Inc. (USA) |
| Reference | Meaning |
|---|---|
| 110A1220 | 5/9 Secondary reference Cummins Power Generation Inc. |
| 2815009728871 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5340-00-972-8871 is a Seat,helical Compression Spring, manufactured by Cummins Power Generation Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-972-8871 has 1 manufacturer part number on file: 110-1220 (Cummins Power Generation Inc.).
Key specifications for 110-1220: Overall Height: 0.5312 INCHES NOMINAL IN; First Step Diameter: 0.8750 INCHES NOMINAL IN; End Diameter: 0.6875 INCHES NOMINAL IN; Distance From End to First Step: 0.1875 INCHES NOMINAL IN. 13 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.