PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

PM21744Plunger

Name: PM21744
SKU: 5340-00-623-5410

Mason Electric Co. Dba Mason Controls · NSN 5340-00-623-5410 · FSC 5340 · No Item Name Available

Verified by PartsTable

NSN 5340-00-623-5410 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-623-5410. Primary manufacturer part number: PM21744.

5340-00-623-5410 — No Item Name Available illustration

Features

Plunger — FSC 5340
6 verified cross-references
Primary manufacturer: Mason Electric Co. Dba Mason Controls

Applications

General assembly and fastening
Structural repair and reinforcement
Facility maintenance hardware

General Description

The Plunger, cataloged under National Stock Number 5340-00-623-5410, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mason Electric Co. Dba Mason Controls. This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts

Item Name	Plunger
FSC / FSG	5340 — No Item Name Available (FSG 53)
Manufacturers	Unison Industries Llc (CAGE 59501); Amphenol Corp Div Amphenol Aerospace Operations (CAGE 77820); Mason Electric Co. Dba Mason Controls (CAGE 81579)

Technical Specifications

Parameter	Value
NSN	5340-00-623-5410
Primary Part Number	PM21744
Item Name	Plunger
FSC / FSG	5340 / 53 — No Item Name Available
Manufacturer	Mason Electric Co. Dba Mason Controls
Status	CANCELLED

Lifecycle & Compliance

Acquisition Status	CANCELLED
HAZMAT	No

⇄ Verified Substitutes 8

3110-00-144-8869R-200ZZSD502RDA1P15LY48U INTERCHANGEABLE

Bearing,ball,annular

New Hampshire Ball Bearings Inc Div Precision Division

6650-00-342-644721744 INTERCHANGEABLE

Collimator

Contraves Inc

8415-00-507-0062 INTERCHANGEABLE

Gloves,men's

8415-00-516-0707 INTERCHANGEABLE

Gloves,men's

4730-00-817-6578ANSI/ASME B16.15 1/2X3/8MPT INTERCHANGEABLE

Bushing,pipe

American National Standards Institute Incorporated Dba American National Standards Institute

1630-01-561-49632-1744 INTERCHANGEABLE

Brake,multiple Disk

Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)

4810-01-595-5096 INTERCHANGEABLE

Valve,regulating,fluid Pressure

8030-01-671-238821744 INTERCHANGEABLE

Sealing Compound

Loctite Corp

Cross-Reference Index

Part Number	Manufacturer
PM21744	Unison Industries Llc (USA)
21744	Unison Industries Llc (USA)
PM21744	Amphenol Corp Div Amphenol Aerospace Operations (USA)
PM21744 PRIMARY	Mason Electric Co. Dba Mason Controls (USA)
21744	Amphenol Corp Div Amphenol Aerospace Operations (USA)
21744 PRIMARY	Mason Electric Co. Dba Mason Controls (USA)

Related Parts

3110-00-144-8869INTERCHANGEABLE

BEARING,BALL,ANNULAR

R-200ZZSD502RDA1P15LY48U

6650-00-342-6447INTERCHANGEABLE

COLLIMATOR

21744

8415-00-507-0062INTERCHANGEABLE

GLOVES,MEN'S

8415-00-516-0707INTERCHANGEABLE

GLOVES,MEN'S

4730-00-817-6578INTERCHANGEABLE

BUSHING,PIPE

ANSI/ASME B16.15 1/2X3/8MPT

1630-01-561-4963INTERCHANGEABLE

BRAKE,MULTIPLE DISK

2-1744

4810-01-595-5096INTERCHANGEABLE

VALVE,REGULATING,FLUID PRESSURE

8030-01-671-2388INTERCHANGEABLE

SEALING COMPOUND

21744

Frequently Asked Questions

What is NSN 5340-00-623-5410?

NSN 5340-00-623-5410 is a Plunger, manufactured by Mason Electric Co. Dba Mason Controls, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-623-5410?

NSN 5340-00-623-5410 has 6 cross-referenced part numbers: PM21744 (Unison Industries Llc), 21744 (Unison Industries Llc), PM21744 (Amphenol Corp Div Amphenol Aerospace Operations), PM21744 (Mason Electric Co. Dba Mason Controls), 21744 (Amphenol Corp Div Amphenol Aerospace Operations) and 1 more.

What NSN replaces 5340-00-623-5410?

There are 8 known substitutes for 5340-00-623-5410: 3110-00-144-8869, 6650-00-342-6447, 8415-00-507-0062 and 5 more. Verify interchangeability with system specifications before substitution.

Is NSN 5340-00-623-5410 still in active supply?

NSN 5340-00-623-5410 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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