The Spring, cataloged under National Stock Number 5340-00-378-5533, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Armatron Intl Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Spring |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Armatron Intl Inc (CAGE 73473) |
| Parameter | Value |
|---|---|
| NSN | 5340-00-378-5533 |
| Primary Part Number | 149-507 |
| Item Name | Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Armatron Intl Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 149-507 PRIMARY | Armatron Intl Inc (USA) |
| Reference | Meaning |
|---|---|
| CA143C16471 | 5/9 Secondary reference U.S. Government activity |
| CA143C16471 | 5/9 Secondary reference Noseco Inc |
| SCC16471 | 3/2 Design control — primary reference U.S. Government activity |
| TR130 | 5/9 Secondary reference Telectro Systems Corp |
NSN 5340-00-378-5533 is a Spring, manufactured by Armatron Intl Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-378-5533 has 1 manufacturer part number on file: 149-507 (Armatron Intl Inc).
1 possible match (shared part number, not a government interchangeability claim): 1660-00-691-1667. Verify interchangeability with system specifications before substitution.
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.