The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-640-7017, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Plasticoid Co., Inc. Dba Plasticoid Co Inc. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-640-7017 |
| Primary Part Number | 4026AS171-4 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Plasticoid Co., Inc. Dba Plasticoid Co Inc |
| Status | ACTIVE |
| Overall Diameter | 1.02 INCHES NOMINAL IN |
| Opening Inside Diameter for Which Designed | 0.79 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 4026AS171-4 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 4026AS171-4 PRIMARY | The Plasticoid Co., Inc. Dba Plasticoid Co Inc (USA) |
NSN 5340-01-640-7017 is a Plug,protective,dust and Moistur, manufactured by The Plasticoid Co., Inc. Dba Plasticoid Co Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-640-7017 has 2 manufacturer part numbers on file: 4026AS171-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 4026AS171-4 (The Plasticoid Co., Inc. Dba Plasticoid Co Inc).
Key specifications for 4026AS171-4: Overall Diameter: 1.02 INCHES NOMINAL IN; Opening Inside Diameter for Which Designed: 0.79 INCHES NOMINAL IN; Special Features: 0.080 INCH HOLE IN TOP;NEXT ASSEMBLY IS 4026AS160 IN; Part Name Assigned by Controlling Agency: PLUG, TAPERED, -4 SIZE. 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.