Plug, Protective, Dust and Moistur5340-01-690-5957

NSN 5340-01-690-5957 · NIIN 016905957 · Part number 174983

Heyco Inc Dba Heyco Products · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 28520

Government record, cited

NSN 5340-01-690-5957 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-690-5957. Manufacturer of record part number: 174983.

Also searched as 5340-01-690-5957 · 5340016905957 · NIIN 016905957 · 01-690-5957 · FSC 5340 Hardware, Commercial · CAGE 28520 · 174983 · 12608339 · 12608339

Nearby stock numbers ← 5340-01-690-5945 Clamp, Loop · 5340-01-690-5968 Plug Assembly, Sealing →

Features

Plug,protective,dust and Moistur — FSC 5340
Overall Diameter: 0.531 INCHES NOMINAL IN
2 manufacturer part numbers on file
Manufacturer of record: Heyco Inc Dba Heyco Products

Identification

NSN: 5340-01-690-5957
NIIN: 016905957
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 174983
Manufacturer: Heyco Inc Dba Heyco Products

General Description

The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-690-5957, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Heyco Inc Dba Heyco Products. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	5340-01-690-5957
Primary Part Number	174983
Item Name	Plug,protective,dust and Moistur
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Heyco Inc Dba Heyco Products
Status	ACTIVE
Overall Diameter	0.531 INCHES NOMINAL IN

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
12608339	Oshkosh Defense Llc (USA)
174983 PRIMARY	Heyco Inc Dba Heyco Products (USA)

Reference documents

Reference	Meaning
12608339	7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm

Frequently Asked Questions

What is NSN 5340-01-690-5957?

NSN 5340-01-690-5957 is a Plug,protective,dust and Moistur, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-690-5957?

NSN 5340-01-690-5957 has 2 manufacturer part numbers on file: 12608339 (Oshkosh Defense Llc), 174983 (Heyco Inc Dba Heyco Products).

What are the specifications of 174983?

Key specifications for 174983: Overall Diameter: 0.531 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: PLUG, HOLE .44 BLACK NYLON; End Item Identification: 2330-016539745. 1 specification is documented in the U.S. Government catalog.

Is NSN 5340-01-690-5957 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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