The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-435-3867, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa. 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.
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (CAGE 04537) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-435-3867 |
| Primary Part Number | 35411-432-6275-000 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 35411-432-6275-000 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 01267-30-24 PC 13 | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
NSN 5340-01-435-3867 is a Seat,helical Compression Spring, manufactured by Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-435-3867 has 2 manufacturer part numbers on file: 35411-432-6275-000 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), 01267-30-24 PC 13 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa).
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.