The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-855-1268, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-855-1268 |
| Primary Part Number | 6800193-171 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Design Type | THREADED |
| Overall Diameter | 0.688 INCHES NOMINAL IN |
| Thread Class | 1A A |
| Material | PLASTIC |
| Thread Size and Series/type Designator | 0.250-28 UNEF |
| Inside Diameter Length | 0.438 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 |
|---|---|
| 6800193-171 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6800193-171 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 1604-171Y | 3/9 Design control — primary reference Robroy Industries Inc Robroy Plastics Div |
NSN 5340-00-855-1268 is a Cap,protective,dust and Moisture, manufactured by Rolls-Royce Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-855-1268 has 1 manufacturer part number on file: 6800193-171 (Rolls-Royce Corporation).
Key specifications for 6800193-171: Design Type: THREADED; Overall Diameter: 0.688 INCHES NOMINAL IN; Thread Class: 1A A; Material: PLASTIC. 6 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.