The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-310-4044, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-310-4044 |
| Primary Part Number | 101A356AC1 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| First Step Diameter | 0.8120 INCHES NOMINAL IN |
| End Diameter | 0.6880 INCHES NOMINAL IN |
| Distance From End to First Step | 0.0625 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Material Document and Classification | QQ-B-637,1/2H FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-639,ALLOY 464,1/2 HARD FED SPEC 2ND MATERIAL RESPONSE |
| Bore Diameter | 0.4530 INCHES NOMINAL IN |
| Material | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 |
| 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 |
|---|---|
| 101A356AC1 PRIMARY | General Electric Company (USA) |
| K-4805608SH1 P13 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 7027E57AC PIECE 8 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
NSN 5340-01-310-4044 is a Seat,helical Compression Spring, manufactured by General Electric Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-310-4044 has 2 manufacturer part numbers on file: 101A356AC1 (General Electric Company), K-4805608SH1 P13 (General Electric Company).
Key specifications for 101A356AC1: Overall Height: 0.1250 INCHES NOMINAL IN; First Step Diameter: 0.8120 INCHES NOMINAL IN; End Diameter: 0.6880 INCHES NOMINAL IN; Distance From End to First Step: 0.0625 INCHES NOMINAL IN. 8 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.