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NSN 20263B51SS

Safety Relief Valve

A straight, one-piece fitting used to join a tube or tube fitting to another tube or tube fitting. It may have any type externally threaded tube connections of the same size on both ends and is usually shaped externally at the center to accommodate a wrench. It may include nuts, sleeves, and/or grommets.

unable to decode bolt circle nominal diameter, ship,ohio class ssn(trident) end item identification, unable to decode bolt hole nominal diameter, +15.0 to 19.0 pounds per square inch adjustable pressure range, unable to decode bolt hole quantity.

NSN 4820-01-050-9075 Datasheet

(NSN) National Stock Number
4820-01-050-9075
(FSG) Federal Supply Group
48 - Valves
(FSC) Federal Supply Classification
4820 - Nonpowered Valves
(NIIN) National Item Identification Number
01-050-9075
Requires Demilitarization
Yes
(INC) Item Name Code
05488
Date
Wed, Nov 16, 1977
Schedule B Code
8481400000
End Item Identification
ship,ohio class ssn(trident)
Adjustable Pressure Range
+15.0 to 19.0 pounds per square inch
Bolt Circle Nominal Diameter
unable to decode
Bolt Hole Nominal Diameter
unable to decode
Bolt Hole Quantity
unable to decode
Bonnet Attachment Method
bolted
Bonnet Type
inside spring
Connection Type
unable to decode
Disk Loading Method
spring
First Connection Face To Centerline Distance
3.250 inches
Flange Face Design
unable to decode
Flange Shape
unable to decode
Flow Control Device
disk
Material Document And Classification
unable to decode
Material
unable to decode
Maximum Operating Temp
unable to decode
Maximum Operating Pressure
unable to decode
Media For Which Designed
unable to decode
Nominal Outside Diameter
unable to decode
Nominal Thickness
unable to decode
Raised Face Nominal Diameter
unable to decode
Raised Face Nominal Height
unable to decode
Second Connection Face To Centerline Distance
3.250 inches
Style Designator
angle flanged ends
Valve Discharge Flow Rate
235.0 pounds per hour
Valve Operation Method
automatic or manual
Valve Size
0.500 inches

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

01343
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
U.s./canadian manufacturers
15187
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
U.s./canadian manufacturers
30377
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
U.s./canadian manufacturers
32648
Kalart Victor Corp
U.s./canadian manufacturers
54308
Altec Hiline, Llc Div Altec Hiline
Non-manufacturers
56193
Little Giant Ladder Systems, Llc
U.s./canadian manufacturers
67131
Vicor Corp Dba Vicorpowercom
U.s./canadian manufacturers
82423
Kleinschmidt Inc
U.s./canadian manufacturers
89875
Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
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 4820-01-050-9075?

    The FSCG of the NSN 4820-01-050-9075 is 4820

  2. Does the NSN 4820-01-050-9075 have a Schedule B code assigned?

    Yes, the Schedule B code is 8481400000

  3. Does NSN 4820-01-050-9075 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 4820-01-050-9075 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 4820-01-050-9075 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 4820-01-050-9075 was assigned to the Federal Catalog?

    It was assigned 48 years ago, on Wed, Nov 16, 1977

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