The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-538-1867, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-538-1867 |
| Primary Part Number | 1633054 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc |
| Status | ACTIVE |
| Width Across Flats | 1.350 INCHES NOMINAL IN |
| Overall Diameter | 2.375 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 |
|---|---|
| 1633054 PRIMARY | Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| 259216 | 5/9 Secondary reference Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc |
NSN 5340-01-538-1867 is a Cap,protective,dust and Moisture, manufactured by Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-538-1867 has 1 manufacturer part number on file: 1633054 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc).
Key specifications for 1633054: Width Across Flats: 1.350 INCHES NOMINAL IN; Overall Diameter: 2.375 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: CAP DUST MIL CONNECTOR, DRILLED; End Item Identification: 3990-01-443-8024 DUMP BODY, DEMOU, XM6. 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.