National Item Identification Number
01-051-8215
010518215
4820-01-051-8215
4820-01-051-8215
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)
91816
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)
D559A-6D-50
3978
3978-5-50
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
ALUMINUM ALLOY 2024 BODY
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
QQ-A-22