The Disk,solid,plain, cataloged under National Stock Number 5340-00-370-4182, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-370-4182 |
| Item Name | Disk,solid,plain |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| FSC Application Data | FIRE EXTINGUISHING SYSTEM AIRCRAFT |
| Diameter | 0.545 INCHES MINIMUM AND 0.549 INCHES MAXIMUM IN |
| Surface Treatment | GOLD |
| Material | STEEL OR COPPER ALLOY |
| Thickness | 0.020 INCHES NOMINAL IN |
| 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 |
| Reference | Meaning |
|---|---|
| 201686 | 3/2 Design control — primary reference U.S. Government activity |
| 201686 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 5340-00-370-4182 is a Disk,solid,plain, classified under FSC 5340, Hardware, Commercial. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-022-9283, 5305-01-296-7762. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-00-370-4182: FSC Application Data: FIRE EXTINGUISHING SYSTEM AIRCRAFT; Diameter: 0.545 INCHES MINIMUM AND 0.549 INCHES MAXIMUM IN; Surface Treatment: GOLD; Material: STEEL OR COPPER ALLOY. 5 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.