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MS21916-K12-10 Boss Reducer

4730-01-180-4503

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Official Item Classification

Name
Boss Reducer
Part Number
MS21916-K12-10
(NSN) National Stock Number
4730-01-180-4503
(FSG) Federal Supply Group
47 Pipe, Tubing, Hose, And Fittings
(INC) Item Name Code
23541
(FIIG) Federal Item Identification Guide
A080B0
Date
05/29/1984 (42 years ago)

12 1st end thread quantity per inch, 3a all ends thread class, threaded external boss all ends connection type, external seat for gasket seal (boss) all ends connection style, concentric reducer type

Specs & Compatibility

Thread Class

3a all ends

Reducer Type

concentric

Connection Style

external seat for gasket seal (boss) all ends

Connection Type

threaded external boss all ends

Thread Quantity Per Inch

12 1st end

Nominal Thread Size

0.875 inches 2nd end

Nominal Thread Size

1.062 inches 1st end

Nominal Overall Length

1.688 inches

Material

steel comp 316 overall

Thread Series Designator

unj 1st end

Thread Series Designator

unjf 2nd end

Replacement For

Part Number Description
4730-01-307-0834 No Name Available 10/01/2002

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0023541

Related Hardware Products

Part Number Description
1376-18-396 Boss Reducer
137618684 Boss Reducer
4730PL0838665 Boss Reducer
AS21916K12-10 Boss Reducer
MS21916-K12-10 Boss Reducer
MS21916K12-10 Boss Reducer

Frequently Asked Questions

What is the FSCG of the NSN 4730-01-180-4503?
The FSCG of the NSN 4730-01-180-4503 is 4730
Does the NSN 4730-01-180-4503 have a Schedule B code assigned?
Yes, the Schedule B code is 7307994000
Does NSN 4730-01-180-4503 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4730-01-180-4503 contain precious materials?
Item does not contain precious metal.
Does NSN 4730-01-180-4503 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4730-01-180-4503 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Tue, May 29, 1984