National Item Identification Number
01-187-6822
011876822
4820-01-187-6822
4820-01-187-6822
National Stock Number
Item Name
VALVE,SAFETY RELIEF
Federal Supply Class
4820
Description
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Commercial and Government Entity Code (Supplier Data)
71905
DERBYSHIRE MACHINE & TOOL CO. INC.
DBA DERBYSHIRE MACHINE AND TOOL CO.
5100 BELFIELD AVE.
PHILADELPHIA
PA
19144
215-844-3200
99565
CPV MANUFACTURING INC
851 N PRESTON ST
PHILADELPHIA
PA
19104
215-386-6508
99565
CPV MANUFACTURING INC
851 N PRESTON ST
PHILADELPHIA
PA
19104
215-386-6508
54716
HYDRASEARCH & TECHNICAL PRODUCTS CO
INC
100 LOG CANOE CIR
STEVENSVILLE
MD
21666
410-643-8900
99565
CPV MANUFACTURING INC
851 N PRESTON ST
PHILADELPHIA
PA
19104
215-386-6508
Reference Numbers (Part Numbers)
MV57-9
157A 1-2X1 1-4I
157A 1/2X1 1/4 3000T6000PSI
6VR57-4-3
883117664
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNED
MAXIM
Required Description
BRONZE BODY
PLASTIC POLYAMIDE FLOW CONTROL DEVICE
STEEL COMP 304 SEAT
C1 ANGL