The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-663-5747, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Morrison Brothers Co Dba Morrison Brothers Co. Government technical data includes 2 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 | 5340-01-663-5747 |
| Primary Part Number | 285AL-1400 AS-1 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Morrison Brothers Co Dba Morrison Brothers Co |
| Status | ACTIVE |
| Overall Diameter | 2.797 INCHES MINIMUM AND 2.827 INCHES MAXIMUM IN |
| Opening Inside Diameter for Which Designed | 2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM 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 |
|---|---|
| 285AL-1400 AS-1 PRIMARY | Morrison Brothers Co Dba Morrison Brothers Co (USA) |
NSN 5340-01-663-5747 is a Cap,protective,dust and Moisture, manufactured by Morrison Brothers Co Dba Morrison Brothers Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-663-5747 has 1 manufacturer part number on file: 285AL-1400 AS-1 (Morrison Brothers Co Dba Morrison Brothers Co).
Key specifications for 285AL-1400 AS-1: Overall Height: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Overall Diameter: 2.797 INCHES MINIMUM AND 2.827 INCHES MAXIMUM IN; Opening Inside Diameter for Which Designed: 2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN; End Item Identification: 4930-01-612-3541. 2 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.