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NSN 4730-01-375-1912, 4730013751912
RESTRICTOR,FLUID FLOW

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 013751912
Codification Country
United States
Item Name Code
INC 18263
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 4730-01-375-1912

National Stock Number (NSN) 4730-01-375-1912, or NIIN 013751912, (restrictor,fluid flow) was assigned May 6, 1993 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 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 6 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, 2004, 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) 18263. [AN ITEM OF SOLID ONE-PIECE CONSTRUCTION, DESIGNED TO RESTRICT THE FLOW OF A FLUID THROUGH IT. IT HAS AN ORIFICE OF A SMALLER SIZE THAN THE DIAMETER OF FLOW INTO IT. EXCLUDES:ITEMS SUCH AS VALVE (1), (AS MODIFIED); AND OTHERS WITH AN ADJUSTABLE ORIFICE. EXCLUDES:PIPE, TUBE, OR HOSE FITTINGS WITH RESTRICTED PASSAGES AND ITEMS DESIGNED TO TEST FLUID FLOW. FOR ITEMS CONTAINING SCREENS OR FILTERS, SEE RESTRICTOR UNIT, FLUID FLOW.]. 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 4730013751912 does not contain precious metals.

This information was last updated on .


Technical Characteristics

THREAD PROVISION
(AFEW) THREADEDTHREADED
THREAD SERIES
(BZRR) UNEFUNEF
THREAD CLASS
(AAJD) 3B3A
MATERIAL
(MATL) COPPER
THREAD SIZE DESIGNATOR
(ABVK) 3/4-203/4-20
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
DESIGN TYPE
(APGF) TUBULAR
LENGTH
(ABRY) 1.188 INCHES NOMINAL
OUTSIDE DIAMETER
(ABKV) 1.155 INCHES NOMINAL
MATERIAL
(MATT) COPPER
ORIFICE DIAMETER
(AMSF) 0.125 INCHES NOMINAL
SPECIAL FEATURES
(FEAT) MATL ASTMB21,ALLOY 464
THREAD CLASS
(AAJD) 3A 2ND PROVISION
THREAD CLASS
(AAJD) 3B 1ST PROVISION
THREAD SERIES
(BZRR) UNEF 1ST PROVISION
THREAD SERIES
(BZRR) UNEF 2ND PROVISION
THREAD PROVISION
(AFEW) THREADED 1ST PROVISION
THREAD PROVISION
(AFEW) THREADED 2ND PROVISION
THREAD SIZE DESIGNATOR
(ABVK) 3/4-20 1ST PROVISION
THREAD SIZE DESIGNATOR
(ABVK) 3/4-20 2ND PROVISION

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