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NSN 4730-00-204-0803, 4730002040803
NUT,TUBE COUPLING

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 002040803
Codification Country
United States
Item Name Code
INC 03859
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 4730-00-204-0803

National Stock Number (NSN) 4730-00-204-0803, or NIIN 002040803, (nut,tube coupling) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 03859. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730002040803 contains an unknown precious metal.

This NSN is associated to Schedule B 7318160000: nuts of iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

NOMINAL THREAD SIZE
(CQJX) 0.500 INCHES
NOMINAL TUBE OUTSIDE DIAMETER
(CQRJ) 0.250 INCHES
NUT STYLE
(ACTA) TUBE COUPLING
NUT HEIGHT
(ADEA) 0.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL
SEAT ANGLE
(CRRB) 45.00 DEGREES NOMINAL
SMALLEST INSIDE DIAMETER
(BSPX) 0.344 INCHES NOMINAL
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 20
THREAD SERIES
(BZRR) UNF
WIDTH ACROSS FLATS
(ASDB) 0.683 INCHES NOMINAL
LENGTH TO SHOULDER
(BRQL) ANY ACCEPTABLE
MATERIAL
(MATT) STEEL COMP 303 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 303 PLUS X OVERALL
FABRICATION METHOD
(AARN) ANY ACCEPTABLE

Manufacturer Part Numbers


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