The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-254-1201, 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 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-254-1201 |
| Primary Part Number | P4330556-14 |
| 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 | 1.680 INCHES NOMINAL IN |
| Length Under Shoulder | 0.560 INCHES NOMINAL IN |
| Material Document and Classification | L-P-390, TYPE 1, GRADE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE |
| Open End Inside Diameter | 1.500 INCHES NOMINAL IN |
| Material | PLASTIC, POLYETHYLENE (PP) |
| 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 |
|---|---|
| P4330556-14 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 189584984 | Safran Electronics & Defense (FRA) |
| Reference | Meaning |
|---|---|
| 312995-024 | 7/2 Vendor item drawing reference U.S. Government activity |
| 10113040 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 410136-12 | 5/2 Secondary reference U.S. Government activity |
| 5340PL0858814 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| CEC-24 | 3/2 Design control — primary reference U.S. Government activity |
| 4200000-14 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
| 4200000-14 | 5/9 Secondary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
| 7110336-012 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-254-1201 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 5340-01-254-1201 has 2 manufacturer part numbers on file: P4330556-14 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 189584984 (Safran Electronics & Defense).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-564-4571. Verify interchangeability with system specifications before substitution.
Key specifications for P4330556-14: Closed End Overall Diameter: 1.680 INCHES NOMINAL IN; Length Under Shoulder: 0.560 INCHES NOMINAL IN; Material Document and Classification: L-P-390, TYPE 1, GRADE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE; Open End Inside Diameter: 1.500 INCHES NOMINAL IN. 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.