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NSN 4820-01-197-8946, 4820011978946
VALVE,EXPANSION

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 011978946
Codification Country
United States
Item Name Code
INC 05493
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 4820-01-197-8946

National Stock Number (NSN) 4820-01-197-8946, or NIIN 011978946, (valve,expansion) was assigned December 29, 1984 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 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7MC21V4675, SPM7MC13M6176, SPM7M110V6605, SPM7M010V0314, SPM7MC09V4773. The total value of the awarded contracts has been US$ 4,660.63.

This NSN is fairly common among different weapons systems, belonging to 13 different platforms.

There has been a small amount of 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 Jan 01, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 05493. [A SELF-ACTING VALVE SPECIFICALLY DESIGNED FOR USE IN REFRIGERATION SYSTEMS FOR CONTINUAL CONTROL OF RATE OF FLOW OF REFRIGERANT. IT MAY BE ACTUATED BY A THERMOSTATIC ELEMENT OR SELF-ACTUATED.]. 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 4820011978946 does not contain precious metals.

This NSN is associated to Schedule B 8481809050: other taps, cocks, valves, etc., nesoi. 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

END CONNECTION QUANTITY
(ADQZ) 2
BODY MATERIAL
(AAFZ) BRASS
BODY STYLE
(AAQL) ANGLE GIVE "ADQM" OR "ADQN" IF FLANGED ONE OR TWO ENDS
BULB DIAMETER
(AEVV) 0.500 INCHES NOMINAL
BULB LENGTH
(AEVU) 2.105 INCHES NOMINAL
CAPILLARY TUBE LENGTH
(AEVT) 60.000 INCHES NOMINAL
FURNISHED ITEMS
(ABFF) FILTER SCREEN AND MOUNTING BRACKET
FIRST END CONNECTION TYPE
(ACKM) THREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATOR
(ACKN) FLARED
FIRST END NOMINAL THREAD SIZE
(CQYM) 0.750 INCHES
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED
(ACLH) 0.500 INCHES NOMINAL
FIRST END SEAT ANGLE IN DEG
(ACTE) 45.0
FIRST END THREAD CLASS
(ACLK) 3A
FIRST END THREAD DIRECTION
(ACLL) RIGHT-HAND
FIRST END THREAD SERIES DESIGNATOR
(CQMM) UNF
FLOW CONTROL DEVICE MATERIAL
(ADQV) STEEL, CORROSION RESISTING
FLOW CONTROL DEVICE
(ADQU) DIAPHRAGM
MEDIA FOR WHICH DESIGNED
(ACKL) REFRIGERANT 12
SECOND END CONNECTION TYPE
(ACLS) THREADED EXTERNAL TUBE
SECOND END STYLE DESIGNATOR
(ACLT) FLARED
SECOND END THREAD CLASS
(ACMR) 3A
SECOND END THREAD DIRECTION
(ACMS) RIGHT-HAND
SECOND END THREAD SERIES DESIGNATOR
(CRPF) UNF
SECOND END NOMINAL THREAD SIZE
(CRNB) 0.438 INCHES
SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED
(ACMP) 0.250 INCHES NOMINAL
SECOND END SEAT ANGLE IN DEG
(ACTF) 45.0
SECOND END RELATIONSHIP WITH FIRST END
(ACLR) NOT IDENTICAL
REFRIGERATION CAPACITY IN BTU PER HOUR
(AGUB) 3.0
VALVE PRESSURE LIMITING DEVICE SETTING
(AFKN) 400.0 POUNDS PER SQUARE INCH GAGE
VALVE PRESSURE LIMITING DEVICE
(AFKM) INCLUDED
VALVE EQUALIZER LOCATION
(AFKU) INTERNAL
VALVE EVAPORATOR TEMP RANGE DESIGNATION
(AFKL) HIGH
VALVE EXPANSION CONTROL TYPE
(AFKK) THERMOSTATIC
TEMP RATING
(ABJH) 300.0 DEG FAHRENHEIT

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