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NSN 4730-00-203-0481, 4730002030481
FLANGE,PIPE

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 002030481
Codification Country
United States
Item Name Code
INC 03798
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 4730-00-203-0481

National Stock Number (NSN) 4730-00-203-0481, or NIIN 002030481, (flange,pipe) 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 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, 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7MC24V5077, SPE7M422V5375, SPE7M417V2573, SPE7M113V7865, SPM7M110VF571. The total value of the awarded contracts has been US$ 4,327.20.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

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 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) 03798. [AN ITEM SOLID OR SPLIT INTO HALVES, HAVING A THREADED OR UNTHREADED HOLE FOR THE PURPOSE OF CONNECTING OR RETAINING A PIPE, TUBE, OR HOSE FITTING. THE FACE OF THE FLANGE MAY BE SMOOTH, GROOVED, OR SERRATED AND MAY BE DRILLED FOR CONNECTING BOLTS OR STUDS. IF THE ITEM IS UNTHREADED, THE PIPE OR TUBE MAY BE RETAINED BY WELDING, BRAZING, COMPRESSION, OR THE LIKE. EXCLUDES:FLANGE, PIPE, BLIND; FERRULE, GROOVED CLAMP COUPLING; AND ADAPTER (AS MODIFIED).]. 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 4730002030481 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

BOLT CIRCLE DIAMETER
(ABKG) 1.190 INCHES NOMINAL
BOLT HOLE QUANTITY
(AECS) 8
BOLT HOLE DIAMETER
(AHNX) 0.141 INCHES NOMINAL
FACE SEATING SURFACE CONDITION
(AKWE) MACHINED
FLANGE DIAMETER
(ABKK) 1.690 INCHES NOMINAL
FLANGE SECTION STYLE
(AJEM) PLAIN FACE, LONG NECK
MATERIAL
(MATT) ALUMINUM ALLOY
NECK DIAMETER
(ADCL) 0.554 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
NECK HEIGHT
(AJEG) 0.556 INCHES NOMINAL
NOMINAL THREAD SIZE
(CQJX) 0.562 INCHES
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNF
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED
(ACSV) 0.375 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) ROUND, ONE BOLT HOLE CIRCLE
SURFACE TREATMENT
(SFTT) ANODIZE
THICKNESS
(ABNM) 0.160 INCHES NOMINAL
THREAD CLASS
(AAJD) 3A
THREAD QUANTITY PER INCH
(CMLP) 18

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