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NSN 4710-01-498-9155, 4710014989155
TUBE ASSEMBLY,METAL

Federal Supply Classification
FSC 4710 - PIPE, TUBE AND RIGID TUBING
National Item Identification Number
NIIN 014989155
Codification Country
United States
Item Name Code
INC 21989
Criticality
(F) This item is a Flight Safety Critical Aircraft Part (FSCAP).
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 4710-01-498-9155

National Stock Number (NSN) 4710-01-498-9155, or NIIN 014989155, (tube assembly,metal) was assigned July 5, 2002 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over a year. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M422P2572, SPE7M422P2572, SPE7M415C0015, SPE7M415C0015, SPE7M415C0015. The total value of the awarded contracts has been US$ 1,754,696.00.

This NSN is unique to one weapons system.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 26, 2013, 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) 21989. [A LENGTH OF TUBING, STRAIGHT, OR PREBENT TO A PREDETERMINED ANGLE, WITH ADDED COMPONENT(S) THAT FORMS AN END CONNECTION ON ONE OR BOTH ENDS. FOR FLEXIBLE TUBE ASSEMBLIES, SEE HOSE ASSEMBLY (AS MODIFIED). FOR ITEMS HAVING PERFORATIONS IN THE TUBING OR ATTACHMENTS, SEE TUBE ASSEMBLY, FIRE EXTINGUISHING SYSTEM. EXCLUDES:ITEMS HAVING INTEGRAL PREFORMED OR PLAIN ENDS, TUBE, BENT (AS MODIFIED), AND ITEMS WHICH ARE BRANCHED OR FORKED.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4710014989155 contains an unknown precious metal.

This NSN is associated to Schedule B 8302494500: other base metal mountings, fittings and similar articles for railway vehicles, aircraft, vessels and other vehicles (exc motor vehicles) of sectn 18. The Schedule B End Use is listed as railway transportation equipment. NAICS classification category 332510: hardware manufacturing.

This information was last updated on .


Technical Characteristics

III END ITEM IDENTIFICATION
(AGAV) B1-B BOMBER
III PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) TUBE, SUPPLY-ENGINE FEED, VALVE INTERCONNECT, NACELLE, ASSY OF
END CONNECTION STYLE
(AJFX) RECESSED SECOND END
END CONNECTION STYLE
(AJFX) UNTHREADED INTERNAL FIRST END
END ITEM IDENTIFICATION
(AGAV) B1-B BOMBER
BOLT HOLE DIAMETER
(AHNX) 0.281 INCHES NOMINAL SECOND END
BOLT HOLE QUANTITY
(AECS) 6 SECOND END
BOLT CIRCLE DIAMETER
(ABKG) 4.312 INCHES NOMINAL SECOND END
DESIGN FORM
(ARJD) PREBENT
MATERIAL
(MATT) ALUMINUM ALLOY 6061 FIRST END
MATING END QUANTITY
(AFQW) 1 FIRST END
MATING END QUANTITY
(AFQW) 1 SECOND END
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) TUBE, SUPPLY-ENGINE FEED, VALVE INTERCONNECT, NACELLE, ASSY OF
SPECIAL FEATURES
(FEAT) TUBE DIMENSION IS 3.00 IN O.D. X .042 IN WALL, 8.5 IN LONG; BODY, FIRST END CONNECT, IS 4.00 IN DIA X 1.16 IN LONG AND SHOULD BE MACHINED PER WS70-48, CODE ID 79326; FLANGE, SECOND END CONNECT, IS TO BE MADE FROM L4802732-003 AND ITS O.D. CIRCLE IS 5.21 IN; PROOF PRESSURE TEST ASSEMBLY WITH WATER TO 245 +/- 5 PSIG FOR 1 MINUTE AND THERE SHOULD BE NO EXTERNAL LEAKAGE; RE-AGE WELDMENT FOR ASSEMBLY USING 356 AGING TIME AND TEMP PER ST0111LA0009; ASSEMBLY INCLUDES TUBE (P/N L4801720-003)-1, FLANGE (P/N L4801720-005)-1, BODY (P/N L4801720-007)-1, TAPES (P/N LD172-0077-1006 A/O LD172-0098-1001 A/O LD172-0099-1001) AS REQUIRED
TUBE OUTSIDE DIAMETER
(BBYQ) 3.000 INCHES NOMINAL
TUBING MATERIAL
(AHSA) ALUMINUM ALLOY, QQ-A-225/8, ALLOY 6061
WALL THICKNESS
(AAGT) 0.042 INCHES NOMINAL
MATERIAL
(MATL) ALUMINUM ALLOY, QQ-A-225/8, ALLOY 6061, T651 FIRST END

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