The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-282-1478, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-282-1478 |
| Primary Part Number | P4330556-3 |
| Item Name | Cap-Plug,protective,dust and Moi |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Closed End Overall Diameter | 0.620 INCHES NOMINAL IN |
| Length Under Shoulder | 0.500 INCHES NOMINAL IN |
| Open End Inside Diameter | 0.375 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 |
|---|---|
| P4330556-3 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| CEC-06 | Caplugs, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CEC-06 | 3/2 Design control — primary reference U.S. Government activity |
| 312995-006 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5340-01-282-1478 is a Cap-Plug,protective,dust and Moi, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-282-1478 has 2 manufacturer part numbers on file: P4330556-3 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), CEC-06 (Caplugs, Inc.).
Key specifications for P4330556-3: Closed End Overall Diameter: 0.620 INCHES NOMINAL IN; Length Under Shoulder: 0.500 INCHES NOMINAL IN; Open End Inside Diameter: 0.375 INCHES NOMINAL IN. 3 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.