The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-368-6208, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sinclair & Rush, Inc. Dba Sinclair & Rush Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-368-6208 |
| Primary Part Number | 4.000-24 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sinclair & Rush, Inc. Dba Sinclair & Rush Inc |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 4.130 INCHES NOMINAL IN |
| Tube Outside Diameter for Which Designed | 4.000 INCHES NOMINAL IN |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) |
| Inside Diameter Length | 1.500 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 |
|---|---|
| 4.000-24 PRIMARY | Sinclair & Rush, Inc. Dba Sinclair & Rush Inc (USA) |
| Reference | Meaning |
|---|---|
| 5903951-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-368-6208 is a Cap,protective,dust and Moisture, manufactured by Sinclair & Rush, Inc. Dba Sinclair & Rush Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-368-6208 has 1 manufacturer part number on file: 4.000-24 (Sinclair & Rush, Inc. Dba Sinclair & Rush Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5331-01-522-2231, 5120-01-546-6148, 6140-01-550-2719. Verify interchangeability with system specifications before substitution.
Key specifications for 4.000-24: Design Type: FRICTION; Overall Diameter: 4.130 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 4.000 INCHES NOMINAL IN; Material: PLASTIC POLYVINYL CHLORIDE (PVC). 5 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.