The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-496-3031, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Crane Carrier Company, Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares 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 | 5340-01-496-3031 |
| Primary Part Number | 34-635 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Crane Carrier Company, Llc |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Opening Inside Diameter for Which Designed | 1.750 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| Inside Diameter Length | 1.750 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 |
NSN 5340-01-496-3031 is a Cap,protective,dust and Moisture, manufactured by Crane Carrier Company, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-496-3031 has 2 manufacturer part numbers on file: B34-635 (Crane Carrier Company, Llc), 34-635 (Crane Carrier Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-601-0455. Verify interchangeability with system specifications before substitution.
Key specifications for 34-635: Design Type: FRICTION; Overall Diameter: 3.000 INCHES NOMINAL IN; Opening Inside Diameter for Which Designed: 1.750 INCHES NOMINAL IN; Special Features: BLACK IN COLOR, HARDNESS IS 60-70 DUROMETER. 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.