The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-610-4103, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 11 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 | 5340-00-610-4103 |
| Primary Part Number | 6104103 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| First Step Diameter | 0.3800 INCHES MINIMUM AND 0.4000 INCHES MAXIMUM IN |
| End Diameter | 0.3070 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.7500 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Counterbore Length | 0.1000 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN |
| Second Step Diameter | 0.7440 INCHES MINIMUM AND 0.7460 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.5620 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN |
| First Step Length | 0.7870 INCHES MINIMUM AND 0.8120 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE |
| 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 |
|---|---|
| 6104103 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5340-00-610-4103 is a Seat,helical Compression Spring, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-610-4103 has 1 manufacturer part number on file: 6104103 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6104103: Overall Height: 1.5370 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM IN; First Step Diameter: 0.3800 INCHES MINIMUM AND 0.4000 INCHES MAXIMUM IN; End Diameter: 0.3070 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM IN; Distance From End to First Step: 0.7500 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.