National Item Identification Number
00-181-9458
001819458
4820-00-181-9458
4820-00-181-9458
National Stock Number
Item Name
VALVE,CHECK
Federal Supply Class
4820
Description
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
803-2177525-S551(SPCLN)
Required Categories
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUSTIFICATION
Required Description
SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS
ZZZY
80064
803-21775