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NSN 4730-00-271-9328, 4730002719328
COUPLING HALF,QUICK DISCONNECT

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 002719328
Codification Country
United States
Item Name Code
INC 18681
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 4730-00-271-9328

National Stock Number (NSN) 4730-00-271-9328, or NIIN 002719328, (coupling half,quick disconnect) was assigned July 25, 1973 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 35 contracts issued for this part number, with 60 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MX24F9200, SPE7MX24F2385, SPE7MX23F244H, SPE7MX23F7601, SPE7MX23F4508. The total value of the awarded contracts has been US$ 274,447.97.

This NSN is somewhat common among different platforms, belonging to 4 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 Aug 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 18681. [A FLUID LINE FITTING HAVING A PIPE, TUBE OR HOSE CONNECTION OR A THROUGH HOLE TO ACCOMMODATE A BOLT, FLUID PASSAGE ON ONE END. THE OTHER END MUST HAVE AN INTERNAL OR EXTERNAL QUICK DISCONNECT FEATURE FOR CONNECTING A MATING PART TO FORM A QUICK DISCONNECT COUPLING ASSEMBLY. THE FITTING MAY INCORPORATE A SELF-SEALING FEATURE FOR THE PURPOSE OF AUTOMATICALLY SHUTTING OFF THE FLOW OF FLUID WHEN DISCONNECTED FROM ITS MATING HALF. FOR SELF-SEALING FITTINGS WITH AN EXTERNAL OR INTERNAL THREADED DISCONNECT END, SEE COUPLING HALF, SELF-SEALING. SEE ALSO, 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 4730002719328 contains an unknown precious metal.

This NSN is associated to Schedule B 8108908000: other wrought titanium, nesoi. The Schedule B End Use is listed as nonferrous metals, other. NAICS classification category 331491: nonferrous metal (except copper and aluminum) rolling, drawing, and extruding.

This information was last updated on .


Technical Characteristics

BASIC SHAPE STYLE
(AGTA) 3 ROUND FIRST QUICK DISCONNECT END
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED
(CQCJ) 3000.0 POUNDS PER SQUARE INCH HYDRAULIC FLUID, PETROLEUM BASE
DISTANCE FROM MOUNTING FLANGE TO FLUID END
(ADMY) 0.828 INCHES NOMINAL
BASIC SHAPE STYLE
(AGTA) ROUND FIRST QUICK DISCONNECT END
BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.201 INCHES
BOLT HOLE QUANTITY
(AECS) 6
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 2.125 INCHES
CONNECTION STYLE
(AHNC) EXTERNAL SEAT FOR GASKET SEAL ALL ENDS
CONNECTION TYPE
(AWLS) EXTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPE
(AWLS) THREADED EXTERNAL BOSS FIRST FLUID END CONNECTION
FEATURES PROVIDED
(CBBL) SELF-SEALING
NOMINAL THICKNESS
(CWCK) 0.062 INCHES
NOMINAL THREAD SIZE
(CQJX) 0.844 INCHES ALL ENDS
OVERALL LENGTH
(ABHP) 2.245 INCHES NOMINAL
LEG LENGTH
(AHSJ) 0.404 INCHES NOMINAL
MATERIAL
(MATT) TITANIUM ALLOY BODY
MOUNTING FLANGE LOCATION
(CQKS) FIRST LEG
NOMINAL OUTSIDE DIAMETER
(CWCD) 2.500 INCHES
QUICK DISCONNECT METHOD
(ADLN) TWIST-LOCK ALL ENDS
THREAD CLASS
(AAJD) 3A ALL ENDS
THREAD QUANTITY PER INCH
(CMLP) 18 ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) UNS ALL ENDS
STYLE DESIGNATOR
(STYL) MALE COUPLING HALF
BASIC SHAPE STYLE
(AGTA) ERR-090 FIRST QUICK DISCONNECT END
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED
(CRWH) 135.0 DEG CELSIUS HYDRAULIC FLUID, PETROLEUM BASE

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