The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-392-7431, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 1 specification, 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-392-7431 |
| Primary Part Number | 12327 PL ITEM 5 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| Status | ACTIVE |
| 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 |
|---|---|
| 3512-19 | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
| 12327 PL ITEM 5 PRIMARY | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
NSN 5340-01-392-7431 is a Seat,helical Compression Spring, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-392-7431 has 2 manufacturer part numbers on file: 3512-19 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 12327 PL ITEM 5 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
Key specifications for 12327 PL ITEM 5: Material: STEEL. 1 specification is 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.