The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-412-1745, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Minor Rubber Co Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-412-1745 |
| Primary Part Number | 21389A |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Minor Rubber Co Inc |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 1.930 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Opening Inside Diameter for Which Designed | 1.300 INCHES MINIMUM AND 1.378 INCHES MAXIMUM IN |
| Material | RUBBER |
| 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 |
|---|---|
| 21389A PRIMARY | Minor Rubber Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 13228E6261 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5340-01-412-1745 is a Cap,protective,dust and Moisture, manufactured by Minor Rubber Co Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-412-1745 has 1 manufacturer part number on file: 21389A (Minor Rubber Co Inc).
Key specifications for 21389A: Design Type: FRICTION; Overall Diameter: 1.930 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN; Opening Inside Diameter for Which Designed: 1.300 INCHES MINIMUM AND 1.378 INCHES MAXIMUM IN; Material: RUBBER. 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.