Boss Reducer

Model / MPN: AS5172 | NSN: 4730-00-057-4553

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).

Product Details

NATO Stock Number

4730-00-057-4553

Sold in multiples of

1 EA

DEMIL

Thread Class

3a 2nd end

Thread Class

3b 1st end

Reducer Type

Concentric

Connection Style

External seat for gasket seal (boss) 2nd end

Connection Style

Gasket seal (boss) 1st end

Connection Type

Threaded external boss 2nd end

Connection Type

Threaded internal boss 1st end

Thread Size

0.438 inches 1st end

Thread Size

0.750 inches 2nd end

Nominallength

0.781 inches

Material

Aluminum alloy

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 2 military specification single treatment response inside

Surface Treatment Specification

Mil-a-8625, type 2 military specification single treatment response outside

Thread Series Designator

Unf all ends

Specification Data

96906-ms24397 government standard

AS517 Series Parts

Pricing and Availability

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Certified Quality Assurance

ISO 9001:2015 + AS9120B
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AS5172 Cross Reference

AS4875
AS5172D0408L
MS24397D3
MS24397D3
MS24397D3
MS24397D3
MS24397D3
MS24397D3
MS24397D3
MS24397D3
MS24397D3