4820-00-431-8321

Stop-check Valve email this page

Images

Reference images of this national stock number
Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321 Reference of NSN 4820-00-431-8321

Model or part number: C522-0-B12

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About this product
Valve size 0.750 in.

Description

Stop-check Valve Cartridge NSN 4820-00-431-8321.

pdf NSN 4820-00-431-8321 Datasheet

MRC:
A measurement of the pipe size the item will accommodate.AAAR
Pipe Size Accommodated:
0.750 inches all ends
MRC:
The part that controls the flow through the item.ADQU
Flow Control Device:
Disk
MRC:
Indicates the type of housing on the item that accommodates the stem packing or spring.ADSR
Bonnet Type:
Outside screw-yoke
MRC:
The means by which the bonnet is attached to the item.ADST
Bonnet Attachment Method:
Bolted
MRC:
The maximum temperature at which the item is rated to operate for an extended period of time.AEHZ
Maximum Operating Temp:
775.0 degrees fahrenheit single response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.AHNC
Connection Style:
Socket (pipe) all ends
MRC:
The means used to control the operation of the valve.AQLR
Valve Operation Method:
Manual
MRC:
Indicates the type of connection/s/.AWLS
Connection Type:
Unthreaded internal pipe all ends
MRC:
The installed position for which the item is designed.BBJX
Mounting Position:
Horizontal
MRC:
Those features,not otherwise specified,which may be required for proper functioning of the item.CBBL
Features Provided:
Bonnet packing
MRC:
The maximum pressure at which the item is rated for operation.CQGM
Maximum Operating Pressure:
1500.0 pounds per square inch single response
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel seat
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Mil-r-17131, mil-rcocr-a military specification single material response seat
MRC:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Steam single response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Straight thru
MRC:
--
NIIN:
004318321
MRC:
--
NATO Stock Number:
4820-00-431-8321
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
MRC:
N/A
MIL-STD
FIIG:
--
FIIG:
A530B0
MRC:
--
INC:
05486
MRC:
--
IMM:
AX AX
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All Products Certified

Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

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Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 4820-00-431-8321

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Packaging & Dimensions

MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx
Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
M
SPI No.:
0395010011
SPI Rev.:
F
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q
LVL_C:
Q
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
ZZ
MOP:
ZZ
PKG:
ZZZZ
PRES MAT:
XX
WRAP MAT:
XX
ICQ:
000
THK:
Z
TOS:
UCL:
O

Packaging Codes Definitions:

LVL A Code (LVL_A) E

Packing shall be accomplished to meet the performance test requirements of astm-d4169, distribution cycle 18, assurance level 1.

LVL B Code (LVL_B) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

Procedure Indicator Code (OPI) M

All packaging data is mandatory for compliance and no substitutions are permitted. fast packs should be included in this category.

Special Markings Code (SPC_MKG) 00

No special marking.

Method of Preservation (MOP) ZZ

See j.4.1.B.

Cushion Material (CUSH) ZZ

Special requirements. see specific instructions or drawings provided.

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
8481302090
NAICS:
332911
End Use Class:
21180
SITC:
74730
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8481302090

Check Valves Of Steel

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74730

Check Valves

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
051080
NMF Description:
Gates Valves Bibcocks Faucets
UFC:
29300
LTL:
Rating variable
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ADC:
A
ACC:
B

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 576

Metal and metal products, nos, (less than 35 feet).

Air Commodity (ACC) B

Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
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