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NSN 4730-00-540-0448, 4730005400448
TEE,TUBE TO BOSS

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 005400448
Codification Country
United States
Item Name Code
INC 22683
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 4730-00-540-0448

National Stock Number (NSN) 4730-00-540-0448, or NIIN 005400448, (tee,tube to boss) 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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. ISO Group has several sources of supply for this NSN.

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 Apr 02, 2005, 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) 22683. [A FITTING HAVING THREE CONNECTIONS WITH THE BRANCH CONNECTION FIXED AT 90 DEGREES (1.5705 RADIANS) TO THE RUN. THE TUBE CONNECTION(S) HAS MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE, OR IS UNTHREADED AND DESIGNED TO ACCOMMODATE A TUBE. THE BOSS CONNECTION(S) HAS EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES), AND IS DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE, TO FORM A SEAL AT THE BOSS. IT MAY HAVE SIDE INLET(S). IT IS USED AS A JUNCTION AT THE INTERSECTION OF A TUBE OR FITTING AND A BOSS OR BOSS FITTING ON ITEMS SUCH AS A TANK, HOUSING, VALVE FITTING, OR THE LIKE. SEE ALSO TEE, TUBE; AND TEE, PIPE TO TUBE. EXCLUDES: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 4730005400448 contains an unknown precious metal.

This NSN is associated to Schedule B 7307992000: other fittings nesoi of iron or nonalloy steel. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.

This information was last updated on .


Technical Characteristics

END ITEM IDENTIFICATION
(AGAV) AZF ENGINE, AIRCRAFT, J-57 ALL MODELS (C-135, EC-135, B-5)
CONNECTION TYPE
(AWLS) THREADED EXTERNAL BOSS 2ND END BULKHEAD
CONNECTION TYPE
(AWLS) THREADED EXTERNAL TUBE 3RD END
CONNECTION TYPE
(AWLS) THREADED INTERNAL BOSS 1ST END
CONNECTION STYLE
(AHNC) DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) 2ND END
CONNECTION STYLE
(AHNC) FLARED (TUBE) 3RD END
CONNECTION STYLE
(AHNC) GASKET SEAL (BOSS) 1ST END
LEG LENGTH
(AHSJ) 1.165 INCHES NOMINAL 3RD END
LEG LENGTH
(AHSJ) 1.325 INCHES MINIMUM AND 1.350 INCHES MAXIMUM 2ND END
LEG LENGTH
(AHSJ) 0.688 INCHES MINIMUM AND 0.720 INCHES MAXIMUM 1ST END
MATERIAL
(MATT) STEEL OVERALL
MEDIA FOR WHICH DESIGNED
(MEDA) FLUID SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 0.375 INCHES 3RD END
NOMINAL THREAD SIZE
(CQJX) 0.500 INCHES 1ST END
NOMINAL THREAD SIZE
(CQJX) 0.500 INCHES 2ND END BULKHEAD
NOMINAL THREAD SIZE
(CQJX) 0.562 INCHES 3RD END
REDUCED PASSAGE NOMINAL INSIDE DIAMETER
(CWFN) 0.406 INCHES 1ST END
SEAT ANGLE
(CQRB) 37.0 DEGREES 3RD END
THREAD CLASS
(AAJD) 3A 2ND END
THREAD CLASS
(AAJD) 3A 3RD END BULKHEAD
THREAD CLASS
(AAJD) 3B 1ST END
THREAD SERIES DESIGNATOR
(THSD) UNF 2ND END BULKHEAD
THREAD SERIES DESIGNATOR
(THSD) UNF ALL ENDS

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