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20346 Safety Relief Valve

4820-01-139-1897

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Helical Gear

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Official Item Classification

שֵׁם
Safety Relief Valve
מספר חלק
20346
(NSN) מספר מלאי לאומי
4820-01-139-1897
(FSG) קבוצת אספקה פדרלית
48 Valves
(FSC) סיווג אספקה פדרלי
4820 Valves
(INC) שם פריט קוד
05488
(FIIG) מדריך זיהוי פריטים פדרלי
A046B0
תַאֲרִיך
09/26/1982 (לפני 43 שנים)

150.0 fahrenheit single response maximum operating temp, bolted bonnet attachment method, inside spring bonnet type, disk flow control device, streamlined with one brazing ring (tube) 1st end connection style

Specs & Compatibility

בקרת זרימה

disk

סוג Beanie

inside spring

המונחים:

bolted

מקסימום הפעלה

150.0 fahrenheit single response

סגנון חיבור

streamlined with one brazing ring (tube) 1st end

מבצע Valve שיטות

automatic

Flange Shape

round 2nd end

סוג חיבור

flange 2nd end

סוג חיבור

unthreaded internal tube 1st end

טווח לחץ מתאים

+211.0 to 240.0 pounds per square inch

לחץ תפעול מקסימלי

250.0 pounds per square inch single response

Nominal Out Diameter

3.812 inches 2nd end

תגית: Thickness

0.688 inches 2nd end

עיצוב פנים Face Design

plain 2nd end

Nominal Outside Diameter Tube Accommodated

0.750 inches 1st end

חוֹמֶר

copper alloy body

חוֹמֶר

nickel alloy stem

חוֹמֶר

plastic polychlorotrifluoroethylene seat

חוֹמֶר

plastic polychlorotrifluoroethylene flow control device

סמל סגנון

angle

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

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

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שאלות נפוצות

What is the FSCG of the NSN 4820-01-139-1897?
The FSCG of the NSN 4820-01-139-1897 is 4820
Does the NSN 4820-01-139-1897 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-139-1897 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.
Does NSN 4820-01-139-1897 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-139-1897 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.
When the NSN 4820-01-139-1897 was assigned to the Federal Catalog?
It was assigned לפני 43 שנים, on Sun, Sep 26, 1982