Tube Elbow, Steel Comp 304 Overall, Leg Length 1.531 Inch, Tube To Boss

Part # AN837-4J

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The AN837-4J Elbow is a 304 stainless steel component designed for aircraft fluid systems, featuring a passivated surface for corrosion resistance, a 0.438-inch nominal thread size, and a 45-degree flow angle for efficient performance in harsh environments.
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Overview

Tube Elbow, part number AN837-4J, is a precision component made from steel comp 304 overall. This product is tailored for aircraft applications, ensuring efficient fluid transfer through its flared connection style. The elbow features a nominal thread size of 0.438 inches at both ends, providing a secure fit. With a seat angle of 37 degrees at all ends, it is designed to accommodate specific tubing standards. The surface treatments, including passivation, enhance its corrosion resistance, making it suitable for demanding environments.

Features & Benefits

Features
  • Constructed from Steel Comp 304 for superior strength and durability.
  • Passivated surface treatment for enhanced corrosion resistance.
  • Flared connection style accommodates a tube diameter of 0.250 inches.
  • Designed with a flow angle of 45 degrees for optimal fluid dynamics.
Benefits
  • Ensures long-lasting performance in challenging aviation environments.
  • Provides secure and reliable connections to enhance system integrity.
  • Resists corrosion, extending the lifespan of the component.
  • Optimizes fluid flow, contributing to overall system efficiency.

Technical Information

ATA Number

30,
49,
71,
73,
80

ATA Chapter

Ice and Rain Protection
Airborne Auxiliary Power
Power Plant
Engine Fuel and Control
Starting

ATA Group

Airframe Systems
Power Plant

ATA Section

INLET COWL ANTI-ICING SYSTEM
General
APU ENGINE
Starting

UNSPSC Code

40183101

UNSPSC Category

Tube elbow

Lead Time (Days)

374

Not For Sale

No

Product Class Description

Tube elbow

Country of Origin

United States

Harmonized Tariff Schedule Code

7307225000

Manufacturer CAGE Code

0ABH9
6W617
52930
NOREQ

Storage Required

No

Unit Of Measure

EA

Pieces Per Pound

0

DFAR Applicable

Yes

Revision Level Applicable

No

Product Class

40183101

Material Composition

CRES

Design Holder CAGE Code

88044

Design Holder

AN STANDARDS

Potential Alternates

4730002776177
008037439
AN837J4
AN837-4C
AN837-4JSPI

Aircraft Makes

Boeing
Bombardier
Beech
Beech
Airbus

Aircraft Models

A340-300
1900
727-100
A340-500
1900C
737-300
27 more

Engine Makes

CFM International

Engine Models

CFM56-5B4/3
CFM56-5B2/2P
CFM56-5B4/2P
CFM56-5B2/P
CFM56-5B9/2P
CFM56-5B4/2
34 more

Shipping Details

Dry Ice

No

ECCN

9A991

Proprietary Part

No

Hazmat

No
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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.