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NSN 5159T8EE140

Safety Relief Valve

+112.0 to 168.0 pounds per square inch adjustable pressure range, spring disk loading method, poppet flow control device, 140.0 pounds per square inch opening pressure setting, pressure tight outlet side features provided.

NSN 4820-00-005-7346 Datasheet

(NSN) National Stock Number
4820-00-005-7346
(FSG) Federal Supply Group
48 - Valves
(FSC) Federal Supply Classification
4820 - Nonpowered Valves
(NIIN) National Item Identification Number
00-005-7346
Requires Demilitarization
Yes
(INC) Item Name Code
05488
Date
Wed, Jun 21, 1972
Schedule B Code
8481400000
Style Designator
Straight thru note: to be used for valve bodies of separable sections.
Thread Series Designator
Unjf all ends
Media For Which Designed
Fuel/oil, hydrocarbon 3rd response
Style Designator
C7 straight thru note: to be used for valve bodies of separable sections.
Media For Which Designed
Air 1st response
Media For Which Designed
Ethylene glycol 2nd response
Thread Class
3a all ends
Flow Control Device
Poppet
Thread Direction
Right-hand all ends
Disk Loading Method
Spring
Connection Style
G45 flareless (tube) all ends
Maximum Operating Temp
250 degrees fahrenheit single response
Connection Style
Flareless (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Thread Quantity Per Inch
16 all ends
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
2500 pounds per square inch single response
Adjustable Pressure Range
+112 to 168 pounds per square inch
Nominal Thread Size
0.75 inches all ends
Seat Angle
12 degrees all ends
Opening Pressure Setting
140 pounds per square inch
Nominal Outside Diameter Tube Accommodated
0.5 inches all ends
Special Features
Valve size 1/2 in.
Material
Rubber butadiene-acrylonitrile class nbr flow control device and steel comp 303 flow control device
Material
Steel comp 303 seat
Material
Steel comp 303 body
Material Document and Classification
Fedstd66,aisi303/sae30303 fed std single material response

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
0005488

Cross Reference

CAGE Codes

91816
Circor Aerospace, Inc. Dba Circor Aerospace Inc
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
P - 77.5
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
64490
Water Commodity
594 - Pumps and parts, (machinery and parts),(less than 35 feet)
National Motor Freight Classification Item Number
127220

Schedule B & Trade

Schedule B
8481-40-0000
Description
safety or relief valves
End Use
21180 - Industrial machines, other
Unit of Quantity
NO
USDA
Yes
(SITC) Standard International Trade Classification
74740
(NAICS) North American Industrial Classification System
332911

Questions & Answers

  1. What is the FSCG of the NSN 4820-00-005-7346?

    The FSCG of the NSN 4820-00-005-7346 is 4820

  2. Does the NSN 4820-00-005-7346 have a Schedule B code assigned?

    Yes, the Schedule B code is 8481400000

  3. Does NSN 4820-00-005-7346 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 4820-00-005-7346 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 4820-00-005-7346 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 4820-00-005-7346 was assigned to the Federal Catalog?

    It was assigned 54 years ago, on Wed, Jun 21, 1972

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