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NSN 2C9490

Check Valve

A tubular item, so formed as to provide a spring action against the inside wall of a hole when driven into abutting pieces to position and hold them in place.

unable to decode connection type, poppet flow control device, unable to decode connection style, unable to decode material, spring disk loading method.

NSN 4820-00-438-0643 Datasheet

(NSN) National Stock Number
4820-00-438-0643
(FSG) Federal Supply Group
48 - Valves
(FSC) Federal Supply Classification
4820 - Nonpowered Valves
(NIIN) National Item Identification Number
00-438-0643
Requires Demilitarization
Yes
(INC) Item Name Code
05487
Date
Fri, Feb 18, 1972
Schedule B Code
8481309000
Connection Style
unable to decode
Connection Type
unable to decode
Disk Loading Method
spring
Flow Control Device
poppet
Material
unable to decode
Maximum Operating Temp
unable to decode
Maximum Operating Pressure
unable to decode
Media For Which Designed
unable to decode
Mounting Position
horizontal or vertical
Style Designator
straight thru drop-in cartridge
Surface Treatment Document And Classification
mil-a-8625,type 2,class 1 mil spec single treatment response
Surface Treatment
anodize
Valve Operation Method
automatic

Identification

Demilitarization Code
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Precious Metals Indicator
U - Precious metal content is unknown
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Pseudo Item Name Code
0005487

Cross Reference

CAGE Codes

99240
Crissair Inc Div Esco Technologies
U.s./canadian manufacturers
77068
Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div
U.s./canadian manufacturers

Freight Information

Air Commodity
VZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
National Motor Freight Class Rating
W - Rating variable
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
29300
Water Commodity
576 - Metal and metal products, nos, (less than 35 feet)
National Motor Freight Classification Item Number
051080

Schedule B & Trade

Schedule B
8481-30-9000
Description
check valves of materials other than copper, iron or steel
End Use
21180 - Industrial machines, other
Unit of Quantity
NO
USDA
Yes
(SITC) Standard International Trade Classification
74730
(NAICS) North American Industrial Classification System
332911

Questions & Answers

  1. What is the FSCG of the NSN 4820-00-438-0643?

    The FSCG of the NSN 4820-00-438-0643 is 4820

  2. Does the NSN 4820-00-438-0643 have a Schedule B code assigned?

    Yes, the Schedule B code is 8481309000

  3. Does NSN 4820-00-438-0643 require demilitarization?

    Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

  4. Does NSN 4820-00-438-0643 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 4820-00-438-0643 contain hazardous materials?

    Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

  6. When the NSN 4820-00-438-0643 was assigned to the Federal Catalog?

    It was assigned 54 years ago, on Fri, Feb 18, 1972

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