National Item Identification Number

00-540-6300
005406300
4730-00-540-6300
4730005406300

National Stock Number

Item Name

INVERTED NUT,TUBE COUPLING

Federal Supply Class

4730

Description

An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.

Commercial and Government Entity Code (Supplier Data)

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30974

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Reference Numbers (Part Numbers)

NAS594-20
NAS594-20
NAS597

Required Categories

MATERIAL
SURFACE TREATMENT
STRENGTH RATING
CASEHARDENING INDICATOR
MATERIAL

Required Description

STEEL, MIL-S-18732, COND HT-200
PASSIVATED, MIL-S-5002
2000000.0 POUNDS PER SQ