The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-00-857-5643, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-857-5643 |
| Primary Part Number | 6800218-326 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Design Type | THREADED |
| Overall Diameter | 1.125 INCHES NOMINAL IN |
| Drive Type | RAISED RIB |
| Features Provided | BEVELED SEAT AND SHOULDER |
| Thread Class | 1A A |
| Material | PLASTIC |
| Thread Size and Series/type Designator | 7/8-14 UNF |
| 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 |
|---|---|
| 6800218-326 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6800218-326 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 1604-326Y | 5/9 Secondary reference Robroy Industries Inc Robroy Plastics Div |
NSN 5340-00-857-5643 is a Plug,protective,dust and Moistur, manufactured by Rolls-Royce Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-857-5643 has 1 manufacturer part number on file: 6800218-326 (Rolls-Royce Corporation).
Key specifications for 6800218-326: Design Type: THREADED; Overall Diameter: 1.125 INCHES NOMINAL IN; Drive Type: RAISED RIB; Features Provided: BEVELED SEAT AND SHOULDER. 7 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.