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NSN 4820-01-604-9434, 4820016049434
Cancelled -> Replaced by 4820011308756

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 016049434
Codification Country
United States
Item Name Code
INC 05488
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 4820-01-604-9434

National Stock Number (NSN) 4820-01-604-9434, or NIIN 016049434, (valve,safety relief) was assigned April 13, 2012 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4820011308756.

There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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 a year. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC21P1358, SPE7MC20P1996, SPE7M117V4458. The total value of the awarded contracts has been US$ 13,176.00.

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$ 18,133. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 16, 2013, 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 needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 05488. [A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES:VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.]. 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 4820016049434 does not contain precious metals.

This NSN is associated to Schedule B 8481400000: safety or relief valves. 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

BONNET TYPE
(ADSR) INSIDE SPRING
BONNET ATTACHMENT METHOD
(ADST) INTEGRAL
CRITICALITY CODE JUSTIFICATION
(CRTL) ZZZY
MATERIAL
(MATT) BRONZE BODY
MATERIAL
(MATT) BRONZE DISK
MATERIAL
(MATT) PLASTIC FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP
(AEHZ) 165.0 DEG FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING PRESSURE
(CQGM) 480.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) NITROGEN, GASEOUS 1ST RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) OXYGEN, GASEOUS 2ND RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) VALVE, ANGLE RELIEF(D42UU SERIES 1/2 X 3/4 IN)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
(ZZZY) CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
VALVE SIZE
(CCFG) 0.500 INCHES
STYLE DESIGNATOR
(STYL) STRAIGHT THRU
III PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) VALVE, ANGLE RELIEF(D42UU SERIES 1/2 X 3/4 IN)

Manufacturer Part Numbers


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