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NSN 4820-01-453-2594, 4820014532594
VALVE,CHECK

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 014532594
Codification Country
United States
Item Name Code
INC 05487
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 4820-01-453-2594

National Stock Number (NSN) 4820-01-453-2594, or NIIN 014532594, (valve,check) was assigned February 24, 1998 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers 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, with the most recent procurement date of Feb 24, 2015. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7MC15M3806, SPE7MC15M0938. The total value of the awarded contracts has been US$ 14,232.30.

This NSN is somewhat common among different platforms, belonging to 5 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 May 30, 2008, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 05487. [A VALVE PERMITTING FLOW IN ONE DIRECTION ONLY. IT DOES NOT HAVE A STEM, EXCEPT WHEN EQUIPPED WITH A LEVER AND WEIGHT AND HAS NO PRESSURE ADJUSTMENT. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN.]. 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 4820014532594 does not contain precious metals.

This NSN is associated to Schedule B 8481309000: check valves of materials other than copper, iron or steel. 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

CONNECTION STYLE
(AHNC) FLARED (TUBE) ALL ENDS
CONNECTION TYPE
(AWLS) THREADED EXTERNAL TUBE ALL ENDS
NOMINAL THREAD SIZE
(CQJX) 0.437 INCHES ALL ENDS
OPENING PRESSURE SETTING
(CSDC) 2.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) ALUMINUM BODY
MAXIMUM OPERATING TEMP
(AEHZ) 165.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) OXYGEN, GASEOUS SINGLE RESPONSE
MINIMUM OPERATING TEMP
(AEQJ) -65.0 DEG FAHRENHEIT
MOUNTING POSITION
(BBJX) HORIZONTAL OR VERTICAL
SEAT ANGLE
(CQRB) 37.0 DEGREES ALL ENDS
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) SAFETY CHECK VALVE
SPECIAL FEATURES
(FEAT) CLEANED FOR AVIATORS BREATHING OXYGEN
THREAD CLASS
(AAJD) 3A ALL ENDS
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) UNF ALL ENDS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) STRAIGHT THRU
SURFACE TREATMENT
(SFTT) ANODIZE

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