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NSN 4820-00-939-7941, 4820009397941
VALVE,GATE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 009397941
Codification Country
United States
Item Name Code
INC 05482
Criticality
(S) The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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 4820-00-939-7941

National Stock Number (NSN) 4820-00-939-7941, or NIIN 009397941, (valve,gate) was assigned November 30, 1965 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 8 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, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 14, 2019, 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) 05482. [A VALVE HAVING A FLAT OR TAPERED DISK (GATE) WHICH MOVES TRANSVERSELY TO THE AXIS OF FLOW BY ROTATING OR SLIDING MOVEMENTS OF THE STEM TO OPEN OR CLOSE THE ORIFICE. IT MAY ALSO CONTAIN AN OVAL OR RECTANGULAR SHAPED SLIDE WHICH MAY BE MANUALLY, MOTOR, OR PRESSURE OPERATED THROUGH THE MEANS OF AN ARM OR ARM ASSEMBLY. THE BODY FLANGE MAY BE DESIGNED TO ACCOMMODATE TUBE TYPE CONNECTORS. IT MAY OR MAY NOT CONTAIN THERMAL RELIEF FEATURES. INCLUDES VALVE (GATE) SPECIFICALLY DESIGNED FOR THE CONTROL OF FLUID SYSTEMS IN AIRCRAFT OR MISSILES.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820009397941 does not contain precious metals.

This information was last updated on .


Technical Characteristics

STEM TYPE
(CRKP) RISING
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 1.500 INCHES
III MATERIAL
(MATT) COBALT ALLOY SEAT
CRITICALITY CODE JUSTIFICATION
(CRTL) ZZZY
MATERIAL
(MATT) STEEL CORROSION RESISTING STEM
NONDEFINITIVE SPEC/STD DATA
(ZZZT) B COMPOSITION
VALVE OPERATION METHOD
(AQLR) MANUAL
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED
(CQCJ) 1500.0 POUNDS PER SQUARE INCH STEAM
CONNECTION TYPE
(AWLS) SOCKET, WELD, PIPE
MATERIAL
(MATT) COBALT ALLOY SEAT
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
(ZZZY) QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
III MATERIAL
(MATT) STEEL CORROSION RESISTING STEM
MATERIAL
(MATT) STEEL BODY
III MATERIAL
(MATT) STEEL BODY
BONNET TYPE
(ADSR) OUTSIDE SCREW-YOKE


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