National Item Identification Number
01-247-9996
012479996
4820-01-247-9996
4820-01-247-9996
National Stock Number
Item Name
VALVE,RELIEF,PRESSURE AND TEMPERATURE
Federal Supply Class
4820
Description
A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.
Commercial and Government Entity Code (Supplier Data)
17077
LOCKHEED MARTIN CORPORATION
DBA LOCKHEED MARTIN SPACE SYSTEMS
1111 LOCKHEED MARTIN WAY
SUNNYVALE
CA
94089
303-971-7384
6Y128
LOCKHEED MARTIN ENGINEERING &
SCIENCES COMPANY
3853 CALLE FORTUNADA ST.
SAN DIEGO
CA
92123
856-486-5156
03950
NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500
Reference Numbers (Part Numbers)
2920166-005
2920166-005
2920166-005
2920166-005DS
Required Categories
SPECIAL TEST FEATURES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
THE MAN
Required Description
CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VE