National Item Identification Number
00-446-8381
004468381
4820-00-446-8381
4820-00-446-8381
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
56232
Reference Numbers (Part Numbers)
SK1156
561309
Required Categories
MATERIAL
SURFACE TREATMENT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
FLOW
Required Description
PLASTIC POLYETHYLENE TEREPHTHALATE FLOW CONTROL DEVICE
ANODIZE
MIL-A-8625 MIL