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NSN 4730-01-176-6732, 4730011766732
NUT,TUBE COUPLING,REDUCING

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 011766732
Codification Country
United States
Item Name Code
INC 03860
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 4730-01-176-6732

National Stock Number (NSN) 4730-01-176-6732, or NIIN 011766732, (nut,tube coupling,reducing) was assigned April 14, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 6 manufacturer part numbers associated with this NSN. 4 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, there are no suppliers that are 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 unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 30, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 03860. [A TUBE COUPLING NUT WITH THE SHANK END ACCOMMODATING A SMALLER TUBE SIZE THAN IS ACCOMMODATED BY THE TUBE FITTING WHICH CONNECTS TO THE THREADED END.]. 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 4730011766732 does not contain precious metals.

This NSN is associated to Schedule B 7415290000: copper screws, nuts, bolts, rivets, and other fasteners not threaded. 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

SPECIAL FEATURES
(FEAT) FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
(ZZZY) AS DIFFERENTIATED BY FREE FROM MERCURY CONTAMINATION
CRITICALITY CODE JUSTIFICATION
(CRTL) ZZZY
FABRICATION METHOD
(AARN) MACHINED
MATERIAL
(MATT) COPPER ALLOY OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.438 INCHES
NOMINAL TUBE OUTSIDE DIAMETER
(CQRJ) 0.250 INCHES
NONDEFINITIVE SPEC/STD DATA
(ZZZT) 36A FIGURE
NUT HEIGHT
(ADEA) 0.594 INCHES NOMINAL
NUT STYLE
(ACTA) TUBE COUPLING
SEAT ANGLE
(CRRB) 45.0 DEGREES NOMINAL
SMALLEST INSIDE DIAMETER
(BSPX) 0.188 INCHES NOMINAL
SPECIFICATION/STANDARD DATA
(ZZZK) 81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS
(ASDB) 0.750 INCHES NOMINAL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 2B
THREAD SERIES
(BZRR) UNF
THREAD QUANTITY PER INCH
(CMLP) 20

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