NSN 4210-01-281-8020

Part Details | FIRE PROTECTION SPRINKLER HEAD

4210-01-281-8020 An automatic device specifically designed for the discharge of water, chemical powder/foam, or vaporizing liquid in a sprayed, fogged, or directionalized patterns. Normally used in fixed fire protection systems.

Alternate Parts: 52921N360DEGREE29, 52921N-360DEGREE-29, 52921N, 5292136029, 52921-360-29, 52921N360DEGREE29, 52921N-360DEGREE-29, 4210-01-281-8020, 01-281-8020, 4210012818020, 012818020

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
42JUL 01, 198801-281-802003948 ( HEAD, SPRINKLER, FIRE PROTECTION )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4210-01-281-8020
Part Number Cage Code Manufacturer
52921N-360DEGREE-2962420GRINNELL CORPGRINNELL FIRE PROTECTION SYSTMES DIV
52921N03670TYCO FIRE PRODUCTS LPDBA TYCO FIRE PROTECTION PRODUCTS
52921-360-2903670TYCO FIRE PRODUCTS LPDBA TYCO FIRE PROTECTION PRODUCTS
52921N-360DEGREE-2903670TYCO FIRE PRODUCTS LPDBA TYCO FIRE PROTECTION PRODUCTS
Technical Data | NSN 4210-01-281-8020
Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING
HEAD TYPE SPRAY
SPRAY ANGLE PATTERN360.0 DEGREES
CONNECTION THREAD SIZE1 IN.-11-1/2
CONNECTION THREAD SERIES NPT
CONNECTION THREAD LOCATION EXTERNAL
OPENING DIAMETER0.469 INCHES NOMINAL
OPENING QUANTITY4
MEDIA FOR WHICH DESIGNED BROMOTRIFLUOROMETHANE
INTEGRAL STRAINER NOT INCLUDED
SPECIAL FEATURESHALON 1301; 4 ORIFICES; ON A 90 DEGREE 1.380 HEX HEAD; OVERALL LENGTH 2.130 INCH; DRILL SIZE 14-0.328 INCH
SPECIAL TEST FEATURESSHOCK TEST GR-A,CLASS 1,TY-A,MEDIUM WEIGHT MIL-S-901; VIBRATION TEST TY-1 MIL-STD-167/1; SALT SPRAY TEST,METHOD 509-MIL-STD-810