The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-446-3142, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Polaris Plastics Corp. 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 | 5340-01-446-3142 |
| Primary Part Number | PM 1750 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Polaris Plastics Corp |
| Status | ACTIVE |
| Design Type | FRICTION |
| Opening Inside Diameter for Which Designed | 1.750 INCHES NOMINAL IN |
| Material | PLASTIC |
| Inside Diameter Length | 1.000 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 |
| Part Number | Manufacturer |
|---|---|
| PM 1750 PRIMARY | Polaris Plastics Corp (USA) |
NSN 5340-01-446-3142 is a Cap,protective,dust and Moisture, manufactured by Polaris Plastics Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-446-3142 has 1 manufacturer part number on file: PM 1750 (Polaris Plastics Corp).
Key specifications for PM 1750: Design Type: FRICTION; Opening Inside Diameter for Which Designed: 1.750 INCHES NOMINAL IN; Special Features: ITEM COLOR:BLUE; Material: PLASTIC. 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.