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NSN 4730-00-821-5721, 4730008215721
NUT,TUBE COUPLING

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 008215721
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 4730-00-821-5721

National Stock Number (NSN) 4730-00-821-5721, or NIIN 008215721, (nut,tube coupling) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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.

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 4730008215721 contains silver.

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 TUBE OUTSIDE DIAMETER
(CQRJ) 0.375 INCHES
NOMINAL THREAD SIZE
(CQJX) 0.562 INCHES
NUT STYLE
(ACTA) TUBE COUPLING
NUT HEIGHT
(ADEA) 0.708 INCHES MINIMUM AND 0.728 INCHES MAXIMUM
LENGTH TO SHOULDER
(BRQL) 0.364 INCHES MINIMUM AND 0.384 INCHES MAXIMUM
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
SMALLEST INSIDE DIAMETER
(BSPX) 0.508 INCHES MINIMUM AND 0.514 INCHES MAXIMUM
PRECIOUS MATERIAL AND LOCATION
(PMLC) SURFACE SILVER
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES
(BZRR) UNF
THREAD QUANTITY PER INCH
(CMLP) 18
WIDTH ACROSS FLATS
(ASDB) 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
SURFACE TREATMENT
(SFTT) SILVER OVERALL
FABRICATION METHOD
(AARN) ANY ACCEPTABLE
MATERIAL
(MATT) STEEL COMP 303 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 303 PLUS X OVERALL

Manufacturer Part Numbers


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