The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-441-1183, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-441-1183 |
| Primary Part Number | 1055397-199 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Design Type | THREADED |
| Overall Diameter | 1.5430 INCHES NOMINAL IN |
| Connector Nominal Thread Size for Which Designed | 1.2500 INCHES IN |
| Surface Treatment | CADMIUM |
| Material | NICKEL |
| 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 |
|---|---|
| 1055397-199 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| 630-134-013 | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 10-553971-199 | C/1 Advisory reference — outside the item-of-supply concept Amphenol Corp Div Amphenol Aerospace Operations |
NSN 5340-01-441-1183 is a Plug,protective,dust and Moistur, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-441-1183 has 2 manufacturer part numbers on file: 1055397-199 (Amphenol Corp Div Amphenol Aerospace Operations), 630-134-013 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division).
Key specifications for 1055397-199: Design Type: THREADED; Overall Diameter: 1.5430 INCHES NOMINAL IN; Connector Nominal Thread Size for Which Designed: 1.2500 INCHES IN; Surface Treatment: CADMIUM. 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.