4820-01-128-2257
Safety Relief Valve
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Official Item Classification
- اسم
- Safety Relief Valve
- (NSN) رقم السهم الوطني
- 4820-01-128-2257
- (FSG) مجموعة الإمداد الفيدرالية
- 48 Valves
- (FSC) تصنيف الإمدادات الفيدرالية
- 4820 القيم غير العاملة
- (INC) اسم العنصر الكود
- 05488
- (FIIG) دليل تحديد العناصر الفيدرالية
- A046B0
- تاريخ
- 03/18/1982 (منذ 44 سنة)
spring disk loading method, disk flow control device, inside spring bonnet type, bolted bonnet attachment method, 150.0 fahrenheit single response maximum operating temp
Specs & Compatibility
disk
inside spring
bolted
spring
150.0 fahrenheit single response
socket with brazing ring (tube) all ends
automatic
unthreaded internal tube all ends
+25.0 to 29.0 pounds per square inch
400.0 pounds per square inch single response
1.500 inches all ends
copper alloy body
copper alloy flow control device
copper alloy seat
copper alloy stem
rubber butadiene-acrylonitrile class nbr packing
qq-b-637 fed spec single material response stem
qq-c-390,alloy d4/d/ fed spec single material response flow control device
qq-c-390,alloy d4/d/ fed spec single material response seat
qq-c-390,alloy dr/d/ fed spec single material response body
air 1st response
water, salt 2nd response
angle
Regulatory Compliance
Item does not contain precious metal.
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0005488