The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-331-0091, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (CAGE 52374) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-331-0091 |
| Primary Part Number | 01-435-0398-4 ITEM 0049 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 01-435-0398-4 ITEM 0049 PRIMARY | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| Reference | Meaning |
|---|---|
| 61-601-0074-1 | 5/9 Secondary reference Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
NSN 5340-01-331-0091 is a Seat,helical Compression Spring, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-331-0091 has 1 manufacturer part number on file: 01-435-0398-4 ITEM 0049 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).
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.