National Item Identification Number

01-181-1122
011811122
4730-01-181-1122
4730011811122

National Stock Number

Item Name

NUT,TUBE COUPLING

Federal Supply Class

4730

Description

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.

Commercial and Government Entity Code (Supplier Data)

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43689

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43689

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43689

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Reference Numbers (Part Numbers)

2670-57
2670-57 ITEM 34
503-4556027 ITEM 34

Required Categories

THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE

Required Description

UNF
0.438 INCHES
20
2B
RIGHT-HAND
COPPER ALLOY OVERALL
A353 TUBE COUPLING;