The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-127-4423, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mine Safety Appliances Company. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-127-4423 |
| Primary Part Number | 468765 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Design Type | FRICTION |
| Special Test Features | END ITEM 4240-01-190-0455 IS CERTIFIED BY THE NATIONAL INSTITUTE FOR OCCUPATIONAL SAFETY AND HEALTH WHEN USED W/THIS ITEM; DO NOT SUBSTITUTE FOR THIS APPLICATION |
| Criticality Code Justification | SPCL |
| Material | PLASTIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 468765 PRIMARY | Mine Safety Appliances Company (USA) |
NSN 5340-01-127-4423 is a Cap,protective,dust and Moisture, manufactured by Mine Safety Appliances Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-127-4423 has 1 manufacturer part number on file: 468765 (Mine Safety Appliances Company).
Key specifications for 468765: Design Type: FRICTION; Special Test Features: END ITEM 4240-01-190-0455 IS CERTIFIED BY THE NATIONAL INSTITUTE FOR OCCUPATIONAL SAFETY AND HEALTH WHEN USED W/THIS ITEM; DO NOT SUBSTITUTE FOR THIS APPLICATION; Criticality Code Justification: SPCL; Special Features: P/O AIR PRESSURE REGULATOR,4240-00-495-9143,AS SHOWN IN AF TO. 14S5-16-1,FIG 7-3. 4 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.