Boss Reducer

Model / MPN: MS21916J6-4 | NSN: 4730-00-720-0233

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

4730-00-720-0233

Sold in multiples of

1 EA

DEMIL

Thread Class

3a all ends

Reducer Type

Concentric

Connection Type

Threaded external boss all ends

Thread Size

0.438 inches 2nd end

Thread Size

0.562 inches 1st end

Nominallength

1.219 inches

Surface Treatment

Passivate

Surface Treatment Specification

Mil-f-14072, e300, type 2 military specification single treatment response outside

Surface Treatment Specification

Mil-s-5002 military specification single treatment response inside

Thread Series Designator

Unjf all ends

Specification Data

81343-as21916 professional/industrial association specification

MS21916J6 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE7M417T5399	Red Ucer, Boss	400	EA	08/07/2017
SPE7M319T9092	Reducer, Boss	363	EA	05/10/2019

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
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MS21916J6-4 Cross Reference

MS21916-4C
MS21916-6-4J
MS21916C6-4
MS21916-6-4C
AS21916
AS18280
156/102
MS21916J6-4
10108438