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NSN 1A057

Safety Relief Valve

+3000.0 to 4000.0 pounds per square inch adjustable pressure range, spring disk loading method, pressure seal, ring type bonnet attachment method, inside spring bonnet type, bonnet packing and pressure tight outlet side features provided.

NSN 4820-00-073-1775 Datasheet

(NSN) National Stock Number
4820-00-073-1775
(FSG) Federal Supply Group
48 - Valves
(FSC) Federal Supply Classification
4820 - Nonpowered Valves
(NIIN) National Item Identification Number
00-073-1775
Requires Demilitarization
Yes
(INC) Item Name Code
05488
Date
Tue, Jan 1, 1963
Schedule B Code
8481400000
Adjustable Pressure Range
+3000.0 to 4000.0 pounds per square inch
Bonnet Type
inside spring
Bonnet Attachment Method
pressure seal, ring type
Disk Loading Method
spring
Features Provided
bonnet packing and pressure tight outlet side
Opening Pressure Setting
4000.0 pounds per square inch
Special Features
reverse flow
Valve Discharge Flow Rate
1.0 gallons per minute
Valve Operation Method
manual

Identification

Demilitarization Code
Q - "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Precious Metals Indicator
A - Item does not contain precious metal.
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

98391
Arkwin Industries, Inc. Dba Arkwin Industries 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
576 - Metal and metal products, nos, (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 4820-00-073-1775?

    The FSCG of the NSN 4820-00-073-1775 is 4820

  2. Does the NSN 4820-00-073-1775 have a Schedule B code assigned?

    Yes, the Schedule B code is 8481400000

  3. Does NSN 4820-00-073-1775 require demilitarization?

    "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

  4. Does NSN 4820-00-073-1775 contain precious materials?

    Item does not contain precious metal.

  5. Does NSN 4820-00-073-1775 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 4820-00-073-1775 was assigned to the Federal Catalog?

    It was assigned 63 years ago, on Tue, Jan 1, 1963

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