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NSN 4730-00-055-1924, 4730000551924
ELBOW,TUBE

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 000551924
Codification Country
United States
Item Name Code
INC 03771
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 4730-00-055-1924

National Stock Number (NSN) 4730-00-055-1924, or NIIN 000551924, (elbow,tube) was assigned January 1, 1961 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.

This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.

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: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 03771. [A FITTING THAT FORMS AN ANGLE OF LESS THAN 180 DEGREES (3.141 RADIANS) FROM A STRAIGHT FLOW. BOTH CONNECTING ENDS HAVE MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE OR IS UNTHREADED AND DESIGNED TO ACCOMMODATE A TUBE. IT MAY HAVE SIDE OR HEEL INLET(S). SEE ALSO ELBOW, PIPE AND CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.]. 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 4730000551924 contains an unknown precious metal.

This NSN is associated to Schedule B 7609000000: aluminum tube or pipe fittings (couplings,elbows sleeves). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.

This information was last updated on .


Technical Characteristics

CONNECTION TYPE
(AWLS) THREADED EXTERNAL TUBE 1ST END
CONNECTION TYPE
(AWLS) UNTHREADED EXTERNAL TUBE 2ND END
CONNECTION STYLE
(AHNC) FLARED (TUBE) 1ST END
CONNECTION STYLE
(AHNC) PLAIN (TUBE) 2ND END
LEG LENGTH
(AHSJ) 1.020 INCHES MINIMUM AND 1.040 INCHES MAXIMUM ALL ENDS
LEG LENGTH
(AHSJ) 1.270 INCHES MINIMUM AND 1.290 INCHES MAXIMUM 1ST END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 4135 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) ALUMINUM ALLOY OVERALL
NOMINAL THREAD SIZE
(CQJX) 1.750 INCHES 1ST END
SEAT ANGLE
(CQRB) 25.14 DEGREES 1ST END
THREAD CLASS
(AAJD) 3A 1ST END
THREAD QUANTITY PER INCH
(CMLP) 12 1ST END
THREAD SERIES DESIGNATOR
(THSD) UNS 1ST END

Manufacturer Part Numbers


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