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MS21921-4J Sleeve Coupling, CRES

Part # MS21921-4J

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The MS21921-4J Sleeve Coupling Nut, made from Steel Comp 304, has a 0.438" thread size and 0.720" height. It meets 96906-Ms21921 standards and offers excellent corrosion resistance, ideal for demanding aviation environments.
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Overview

The MS21921-4J Sleeve Coupling Nut is expertly designed for reliable performance in aviation applications. Constructed from high-quality Steel Comp 304, this nut features a nominal thread size of 0.438 inches and a right-hand thread direction, ensuring secure connections. With a length to shoulder of 0.547 inches and a nut height of 0.720 inches, it meets the stringent 96906-Ms21921 Government Standard. The passivated surface treatment enhances corrosion resistance, making it ideal for demanding environments.

Features & Benefits

Features
  • Constructed from durable Steel Comp 304 for enhanced strength.
  • Meets 96906-Ms21921 Government Standard for reliability.
  • Passivated surface treatment for improved corrosion resistance.
  • Right-hand thread direction with a nominal thread size of 0.438 inches.
Benefits
  • Ensures secure and reliable connections in critical applications.
  • Resists corrosion, extending the lifespan of the coupling nut.
  • Complies with industry standards, ensuring quality and performance.
  • Facilitates easy installation with a well-defined thread series.

Technical Information

ATA Number

24,
26,
28,
29,
30,
34,
36,
38,
49,
71,
73,
78,
79

ATA Chapter

Electrical Power
Fire Protection
Fuel
Hydraulic Power
Ice and Rain Protection
Navigation
7 more

ATA Group

Airframe Systems
Power Plant

ATA Section

AC GENERATOR DRIVE SYSTEM
DETECTION SYSTEM - CARGO COMPARTMENT SMOKE
APU FIRE EXTINGUISHING SYSTEM
Fuel
Distribution
WATER SYSTEM PRESSURIZATION
9 more

Lead Time (Days)

605

Not For Sale

No

Product Class Description

Tube fittings

Country of Origin

United States

Harmonized Tariff Schedule Code

7307290090

Manufacturer CAGE Code

0TP31
0X2T2
66774
7WYG5
14798
01673
4 more

Storage Required

No

Unit Of Measure

EA

Pieces Per Pound

0

DFAR Applicable

Yes

Revision Level Applicable

Yes

Product Class

40183100

Material Composition

CRES

Design Holder CAGE Code

96906

Design Holder

MS STANDARDS

Potential Alternates

014321302
4730009194651
4730014321302
MS21921J4
118629ITL

Aircraft Makes

Boeing
Airbus
Bombardier

Aircraft Models

757-200
CRJ-700
A320-200 NEO
A330-200
767-200
A320-200
62 more

Shipping Details

8130-3 Eligible

No

Dry Ice

No

ECCN

9A991.d

Proprietary Part

No

Hazmat

No
Buy now from
Boeing Distribution Services
Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions.