Boss Reducer

Model / MPN: B316277-5 | NSN: 4730-00-116-7488

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

4730-00-116-7488

Sold in multiples of

1 EA

DEMIL

Thread Class

3a 2nd end

Thread Class

3a 1st end

Reducer Type

Concentric

Connection Style

External seat for gasket seal (boss) 1st end

Connection Style

External seat for gasket seal (boss) 2nd end

Connection Type

Threaded external boss 1st end

Connection Type

Threaded external boss 2nd end

Thread Size

1.312 inches 2nd end

Thread Size

2.312 inches 1st end

Nominallength

1.875 inches

Material

Steel

Material Specification

Mil-s-6758 military specification single material response

Thread Series Designator

Un 2nd end

Thread Series Designator

Uns 1st end

B316277 Series Parts

Pricing and Availability

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Boss Reducer

Pricing and Availability

Certified Quality Assurance

B316277-5 Cross Reference