NSN 5305-00-214-0272

Part Details | MACHINE SCREW

5305-00-214-0272 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Alternate Parts: 144D13, 5305-00-214-0272, 00-214-0272, 5305002140272, 002140272

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-214-027206657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

ROUND

Cross Reference | NSN 5305-00-214-0272
Part Number Cage Code Manufacturer
144D130AHP5CURTISS-WRIGHT CONTROLS, INCDIV SENSORS & CONTROLS
Technical Data | NSN 5305-00-214-0272
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.250 INCHES MAXIMUM
FASTENER LENGTH0.250 INCHES NOMINAL
SCREW MATERIAL STEEL
SCREW SURFACE TREATMENT CADMIUM
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
MINIMUM TENSILE STRENGTH110000 POUNDS PER SQUARE INCH
HEAD STYLE8 DISHED HEXAGON
HEAD DIAMETER0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
HEAD HEIGHT0.180 INCHES NOMINAL
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
HEAD HOLE CONFIGURATION STYLE ROUND
HOLE QUANTITY4
HOLE DIAMETER0.064 INCHES NOMINAL