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NSN 4820-01-527-2852, 4820015272852
VALVE,LIFT-CHECK

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 015272852
Codification Country
United States
Item Name Code
INC 27828
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 4820-01-527-2852

National Stock Number (NSN) 4820-01-527-2852, or NIIN 015272852, (valve,lift-check) was assigned January 27, 2005 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 2 of those 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 has not been procured by the US Government in over a year. There have been 29 contracts issued for this part number, with 29 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 11 different suppliers. The last contract numbers awarded were: SPE7MC23V7678, SPE7MC23V4629, SPE7M121P2814, SPE7MC21P2148, SPE7MC21P2148. The total value of the awarded contracts has been US$ 1,226,049.53.

This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 162,580. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 22, 2012, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 27828. [A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. IN THE SECOND POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, STOP-CHECK AND VALVE, STOP-LIFT-CHECK.]. 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 4820015272852 does not contain precious metals.

This NSN is associated to Schedule B 8481301090: check valves of copper having a pressure rating of 850 kpa or over. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.

This information was last updated on .


Technical Characteristics

BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY
(AECS) 8 ALL ENDS
BONNET ATTACHMENT METHOD
(ADST) BOLTED
BONNET TYPE
(ADSR) INSIDE SCREW
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 6.562 INCHES ALL ENDS
CONNECTION TYPE
(AWLS) FLANGE ALL ENDS
DISK LOADING METHOD
(ADSU) WEIGHT
FURNISHED ITEMS AND QUANTITY
(TMQY) 1 HANDLE
FLANGE FACE DESIGN
(CWDF) PLAIN ALL ENDS
FLANGE SHAPE
(ARKN) ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE
(ADQU) DISK
MATERIAL
(MATT) COPPER ALLOY OVERALL
MATERIAL
(MATT) RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND STEEL FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE
(CQGM) 175.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 150.0 DEG FAHRENHEIT SINGLE RESPONSE
MOUNTING POSITION
(BBJX) HORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 4.000 INCHES ALL ENDS
NOMINAL OUTSIDE DIAMETER
(CWCD) 7.688 INCHES ALL ENDS
NOMINAL THICKNESS
(CWCK) 0.938 INCHES ALL ENDS
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) RUBBER FLAPPER SWING CHECK VALVE WITH BACKFLOW DEVICE
SEAT ANGLE
(CQRB) 45.0 DEGREES 1ST END
SPECIAL FEATURES
(FEAT) MODIFIED FROM COMMERICAL VALVE BY MATERIAL OF BODY, COVER, COVER BOLTS OF BRONZE, GUIDE STOP SCREW OF SS, HANDLEBAR OF BRONZE (DET 1, 2, 4, 18, 23); FLANGES IAW MIL-F-20042 WHICH DIFFERS FROM THEIR COMMERCIAL VALVES BY DIMENSIONS OF THE O.D., BOLT CIRCLE DIAMETER AND BOLT HOLE;MEETS HIGH SHOCK REQUIREMENTS IAW MIL-S-901D FOR LIGHTWEIGHT, GRADE A, SHOCK-PROOF EQUIPMENT CLASS I, MOUNTING FIXTURE 4C, LOCATION: HULL, ORIENTATION UNRESTRICTED.
VALVE OPERATION METHOD
(AQLR) AUTOMATIC OR MANUAL
STYLE DESIGNATOR
(STYL) STRAIGHT THRU

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