National Item Identification Number
01-035-6618
010356618
4820-01-035-6618
4820-01-035-6618
National Stock Number
Item Name
HEAD,SAFETY,PRESSURE RELIEF
Federal Supply Class
4820
Description
An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes VALVE, SAFETY RELIEF and PLUG, FUSIBLE. For items furnished with a disk, see HEAD AND DISK, SAFETY, PRESSURE RELIER.
Commercial and Government Entity Code (Supplier Data)
28193
HENRY TECHNOLOGIES INC
701 S MAIN ST
CHATHAM
IL
62629
217-483-2406
28193
HENRY TECHNOLOGIES INC
701 S MAIN ST
CHATHAM
IL
62629
217-483-2406
66935
YORK INTERNATIONAL CORPORATION
DBA NATKIN SERVICE
631 S RICHLAND AVE
YORK
PA
17403
717-771-6393
66935
YORK INTERNATIONAL CORPORATION
DBA NATKIN SERVICE
631 S RICHLAND AVE
YORK
PA
17403
717-771-6393
Reference Numbers (Part Numbers)
B566S-3.75PSI
B566S375
022-02097A
022-03871
Required Categories
SPECIAL FEATURES
Required Description
STEEL;HEX HEAD 1.375 IN. W ACROSS FLATS
PLASTIC DISK INSERT
EXTERNA
THREAD 1.