Cap-Plug, Protective, Dust and Moi5340-01-666-7671

NSN 5340-01-666-7671 · NIIN 016667671 · Part number 3/4 HHP

Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 50948

Government record, cited

NSN 5340-01-666-7671 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-666-7671. Manufacturer of record part number: 3/4 HHP.

Also searched as 5340-01-666-7671 · 5340016667671 · NIIN 016667671 · 01-666-7671 · FSC 5340 Hardware, Commercial · CAGE 50948 · 3/4 HHP

Nearby stock numbers ← 5340-01-666-7669 Mount, Resilient, Utility · 5340-01-666-7675 Bracket, Mounting →

Features

Cap-Plug,protective,dust and Moi — FSC 5340
Thread Length: 0.62 INCHES NOMINAL IN
Open End Inside Diameter: 0.5625 INCHES NOMINAL IN
Thread Quantity Per Inch: 14
Thread Series Designator: NPT
1 manufacturer part number on file
Manufacturer of record: Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn

Identification

NSN: 5340-01-666-7671
NIIN: 016667671
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 3/4 HHP
Manufacturer: Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn

General Description

The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-666-7671, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn. Government technical data includes 4 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5340-01-666-7671
Primary Part Number	3/4 HHP
Item Name	Cap-Plug,protective,dust and Moi
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn
Status	ACTIVE
Thread Length	0.62 INCHES NOMINAL IN
Open End Inside Diameter	0.5625 INCHES NOMINAL IN
Thread Quantity Per Inch	14
Thread Series Designator	NPT

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

Cross-Reference Index

Part Number	Manufacturer
3/4 HHP PRIMARY	Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn (USA)

No interchangeability data on file.

Other items in FSC 5340 — Hardware, Commercial

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5340-00-000-0068

COVER,ACCESS

5340-00-000-0132

SEAT,HELICAL COMPRESSION SPRING

5340-00-000-8150

5340-00-000-8150 · Item name not on file

5340-00-001-1251

5340-00-001-1251 · Item name not on file

5340-00-001-1264

STRAP,WEBBING

5340-00-001-1265

STRAP,WEBBING

5340-00-001-1266

STRAP,WEBBING

5340-00-001-1275

HANDLE,DOOR

Frequently Asked Questions

What is NSN 5340-01-666-7671?

NSN 5340-01-666-7671 is a Cap-Plug,protective,dust and Moi, manufactured by Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-666-7671?

NSN 5340-01-666-7671 has 1 manufacturer part number on file: 3/4 HHP (Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn).

What are the specifications of 3/4 HHP?

Key specifications for 3/4 HHP: Thread Length: 0.62 INCHES NOMINAL IN; Open End Inside Diameter: 0.5625 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: HOLLOW HEX PIPE PLUG; Thread Quantity Per Inch: 14. 4 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-666-7671 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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