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NSN C0207-5

Safety Relief Valve

A headless fastener externally threaded on both ends with each threaded portion of one but not necessarily the same nominal diameter. It is designed to be locked in place by either a ring, lock, serrated or a ring, lock, keyed.

inside spring bonnet type, spring disk loading method, disk flow control device, 3050.0 pounds per square inch opening pressure setting, integral bonnet attachment method.

NSN 4820-00-019-0465 Datasheet

(NSN) National Stock Number
4820-00-019-0465
(FSG) Federal Supply Group
48 - Valves
(FSC) Federal Supply Classification
4820 - Nonpowered Valves
(NIIN) National Item Identification Number
00-019-0465
Requires Demilitarization
Yes
(INC) Item Name Code
05488
Date
Sun, Jan 1, 1961
Schedule B Code
8481400000
Opening Pressure Setting
3050 pounds per square inch
Nominal Thread Size
0.75in. all ends ⁓3/4"
Maximum Operating Pressure
6500 pounds per square inch single response
Connection Type
Threaded internal pipe all ends
Valve Operation Method
Automatic
Connection Style
Plain, optional en (pipe) all ends
Connection Style
G9 plain, optional en (pipe) all ends
Maximum Operating Temp
300 degrees fahrenheit single response
Valve Discharge Flow Rate
3830 cubic feet per minute
Disk Loading Method
Spring
Bonnet Attachment Method
Integral
Bonnet Type
Inside spring
Flow Control Device
Disk
Thread Direction
Right-hand all ends
Material
Stainless steel
Media For Which Designed
Air 1st response
Media For Which Designed
Gas, inert 2nd response
Style Designator
C1 angle
Style Designator
Angle
Thread Series Designator
Npt all ends

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.
Source of Supply Code
S9C - Defense supply center columbus, ohio 43215
Pseudo Item Name Code
0005488

Cross Reference

CAGE Codes

58455
Superior Air Products Co
U.s./canadian manufacturers

Freight Information

Air Commodity
BZ -
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 4820-00-019-0465?

    The FSCG of the NSN 4820-00-019-0465 is 4820

  2. Does the NSN 4820-00-019-0465 have a Schedule B code assigned?

    Yes, the Schedule B code is 8481400000

  3. Does NSN 4820-00-019-0465 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 4820-00-019-0465 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 4820-00-019-0465 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 4820-00-019-0465 was assigned to the Federal Catalog?

    It was assigned 65 years ago, on Sun, Jan 1, 1961

  7. What material is 4820-00-019-0465 made of?

    Stainless steel

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