The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-396-8079, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-396-8079 |
| Primary Part Number | 585-6404854 FIND 13 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| End Diameter | 2.4300 INCHES MINIMUM AND 2.4320 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.2620 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM IN |
| Design Type | SPLIT |
| Style Designator | SEAT |
| Material Document and Classification | QQ-N-281 CL A FORM 1 COND HF FED SPEC SINGLE MATERIAL RESPONSE |
| Bore Diameter | 2.0003 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY 400 |
| 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 |
|---|---|
| DF2070-148 FN 13 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 585-6404854 FIND 13 PRIMARY | Naval Sea Systems Command (USA) |
| 211075765 | Naval Sea Systems Command (USA) |
NSN 5340-01-396-8079 is a Seat,helical Compression Spring, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-396-8079 has 3 manufacturer part numbers on file: DF2070-148 FN 13 (Huntington Ingalls Inc Div Newport News Shipbuilding), 585-6404854 FIND 13 (Naval Sea Systems Command), 211075765 (Naval Sea Systems Command).
Key specifications for 585-6404854 FIND 13: Overall Height: 0.7500 INCHES NOMINAL IN; End Diameter: 2.4300 INCHES MINIMUM AND 2.4320 INCHES MAXIMUM IN; Distance From End to First Step: 0.2620 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM IN; Design Type: SPLIT. 7 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.