AN919-4

Reducer, Boss

Part number

AN919-4

NSN

4730-00-187-3599

NIIN

00-187-3599

Item name

Reducer, Boss

Manufacturer

Aeronautical Standards Group

CAGE code

88044

FSC

4730

Unit of issue

EA

DEMIL code

A

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Alternate part numbers

• AN919-4 CAGE 00624
• AN919-4 CAGE 06581
• AN919-4 CAGE 13899
• AN919-4 CAGE 14397
• AN919-4 CAGE 14798
• AN919-4 CAGE 22995
• AN919-4 CAGE 71563
• AN919-4 CAGE 88044

Technical characteristics

Thread Class

3A all ends

Reducer Type

Concentric

Connection Style

Flared W/ gasket seal (boss) all ends

Connection Type

Threaded external boss all ends

Nominal Thread Size

0.312 inches 2ND end

Nominal Thread Size

0.562 inches 1ST end

Nominal Overall Length

1.297 inches

Material

Steel comp 1137 overall

Material Document and Classification

66 fed std single material response overall

Surface Treatment

Cadmium overall

Thread Series Designator

Unf 2ND end

Thread Series Designator

Unjf 1ST end

Specification/Standard Data

88044-AN919 government standard

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