National Item Identification Number

01-120-2813
011202813
4820-01-120-2813
4820-01-120-2813

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)

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32874

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BS&B SAFETY SYSTEMS L.L.C.
DIV OF INTERNATIONAL SYSTEMS AND
7455 E. 46TH STREET
TULSA
OK
74145
918-664-3843

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Reference Numbers (Part Numbers)

77-GRU-017

Required Categories

HEAD MATERIAL
HEAD TYPE
HEAD SIZE
END CONNECTION TYPE
BURST PRESSURE
BURST

Required Description

COPPER ALLOY
BOLTED
4.000 INCHES
FREE OUTLET
15.0 PRESSURE POUNDS PER SQUARE