National Item Identification Number
00-446-3550
004463550
4820-00-446-3550
4820-00-446-3550
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)
55380
HATCH & KIRK INC
5111 LEARY AVE NW
SEATTLE
WA
98107
206-789-9462
55380
HATCH & KIRK INC
5111 LEARY AVE NW
SEATTLE
WA
98107
206-789-9462
37239
LUNKENHEIMER CO
1500 WAVERLY AVE
CINCINNATI
OH
45214
513-244-5291
Reference Numbers (Part Numbers)
N21502PC4
3305752
658M0D
81125S41-21502PC4
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
VALVE OPERATION METHOD
CONNECT
Required Description
COPPER ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
COPPER A