Boss Nipple

Model / MPN: AS21900-8 | NSN: 4730-00-289-4681

A straight, one-piece fitting used to join two bosses or boss fittings. Both ends are the same size and have external machine threads (straignt threads other than pipe or hose series). It is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. The center section may be suitably shaped to accommodate a wrench.

Product Details

NATO Stock Number

4730-00-289-4681

Sold in multiples of

1 EA

DEMIL

Thread Class

2a all ends

Connection Style

External seat for gasket seal (boss) 2nd end

Connection Style

Flared w/ gasket seal (boss) 1st end

Connection Type

Threaded external boss all ends

Thread Size

0.750 inches all ends

Nominallength

1.468 inches

Material

Aluminum alloy 2024 or aluminum alloy 2014

Material Specification

Qq-a-225/6, t6 federal specification 1st material response or qq-a-225/4, t6 federal specification 2nd material response

Media For Which Designed

Hydraulic fluid single response

Surface Treatment

Zinc

Surface Treatment Specification

Qq-z-363 federal specification single treatment response

Style Designator

Flared and flareless w/ center wrenching facility

Thread Series Designator

Unjf all ends

Specification Data

96906-ms21900 government standard

AS21900 Series Parts

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.

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ISO 9001:2015 + AS9120B
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AS21900-8 Cross Reference

AS18280
MS21900W8
MS21900D8
MS21900D8
MS21900D8
MS21900D8
MS21900D8
MS21900D8
MS21900D8
105-00188
ER115D8