The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-019-6958, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Shaw Development, Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-019-6958 |
| Primary Part Number | 56668 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Shaw Development, Llc |
| Status | ACTIVE |
| Design Type | FRICTION |
| Tube Outside Diameter for Which Designed | 4.323 INCHES NOMINAL IN |
| Features Provided | SHOULDER |
| Opening Inside Diameter for Which Designed | 3.000 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 56668 PRIMARY | Shaw Development, Llc (USA) |
| Reference | Meaning |
|---|---|
| 56668 | 5/9 Secondary reference Moeller Mfg Co Inc |
| 4030598 | 7/2 Vendor item drawing reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5340-01-019-6958 is a Plug,protective,dust and Moistur, manufactured by Shaw Development, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-019-6958 has 1 manufacturer part number on file: 56668 (Shaw Development, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5315-01-662-7269, 6650-01-714-1621. Verify interchangeability with system specifications before substitution.
Key specifications for 56668: Design Type: FRICTION; Tube Outside Diameter for Which Designed: 4.323 INCHES NOMINAL IN; Features Provided: SHOULDER; Opening Inside Diameter for Which Designed: 3.000 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.
NSN 5340-01-019-6958 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.