National Item Identification Number
00-005-4964
000054964
4820-00-005-4964
4820-00-005-4964
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)
22501
HOWELL LABORATORIES INC
DBA SHIVELY LABS DIVISION
188 HARRISON RD
BRIDGTON
ME
04009
207-647-3327
22501
HOWELL LABORATORIES INC
DBA SHIVELY LABS DIVISION
188 HARRISON RD
BRIDGTON
ME
04009
207-647-3327
Reference Numbers (Part Numbers)
3978-5
3978-5-33-0
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
VALVE OPERATION METHOD
CONNECT
Required Description
ALUMINUM ALLOY OVERALL
C4 STRAIGHT THRU
DISK
AUTOMATIC
THREADED EXTERNAL BOS