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NSN 4820-00-241-0634, 4820002410634
VALVE,CHECK

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 002410634
Codification Country
United States
Item Name Code
INC 05487
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4820-00-241-0634

National Stock Number (NSN) 4820-00-241-0634, or NIIN 002410634, (valve,check) was assigned November 14, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 8 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 10 contracts issued for this part number, with 10 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: SPE7M023P7121, SPE7M023P6618, SPE7M023P6706, SPE7M023P0828, SPE7MC20P2465. The total value of the awarded contracts has been US$ 73,787.77.

This NSN is somewhat common among different platforms, belonging to 5 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 16, 2019, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 but does have other critical feature(s) 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 4820002410634 contains an unknown precious metal.

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

DISK LOADING METHOD
(ADSU) SPRING
END ITEM IDENTIFICATION
(AGAV) HELICOPTER,ADVANCE ATTACK,AH-1W;HELICOPTER,COBRA/ATTACK,AH-1J
CONNECTION STYLE
(AHNC) FLARED (TUBE) ALL ENDS
CONNECTION TYPE
(AWLS) THREADED EXTERNAL TUBE ALL ENDS
CRITICALITY CODE JUSTIFICATION
(CRTL) FEAT
FLOW CONTROL DEVICE
(ADQU) POPPET
NOMINAL THREAD SIZE
(CQJX) 0.875 INCHES ALL ENDS
OPENING PRESSURE SETTING
(CSDC) 18.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL
(MATT) ALUMINUM ALLOY 2024 BODY
MATERIAL
(MATT) ALUMINUM ALLOY 2024 SEAT
MAXIMUM OPERATING TEMP
(AEHZ) -65.0 DEG FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 180.0 DEG FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE
(CQGM) 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) AIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) ALCOHOL, ETHYL 5TH RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) CARBON DIOXIDE 3RD RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) ETHYLENE GLYCOL 4TH RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) FUEL/OIL, HYDROCARBON 2ND RESPONSE
MOUNTING POSITION
(BBJX) HORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 0.625 INCHES 1ST END
SEAT ANGLE
(CQRB) 37.0 DEGREES 1ST END
SPECIAL FEATURES
(FEAT) WEAPON SYSTEM ESSENTIAL
THREAD CLASS
(AAJD) 3A ALL ENDS
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) UNJF ALL ENDS
THREAD QUANTITY PER INCH
(CMLP) 14 1ST END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) STRAIGHT THRU

Manufacturer Part Numbers

1220681

RNCC
5
RNVC
2
1220681

RNCC
5
RNVC
9
209062607

RNCC
D
RNVC
9
209062607001

RNCC
3
RNVC
2
2090626071

RNCC
5
RNVC
9
2694

RNCC
5
RNVC
9
869A10TT018

RNCC
5
RNVC
9
10C10252

RNCC
5
RNVC
9
2090626071

RNCC
3
RNVC
2
10C1025

RNCC
5
RNVC
2

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