NSN 5305-00-273-1998

Part Details | MACHINE SCREW

5305-00-273-1998 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: 8Z1009PC59, H18NGF10127, 5305-00-273-1998, 00-273-1998, 5305002731998, 002731998

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-273-199806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-273-1998
Part Number Cage Code Manufacturer
8Z1009PC5910001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
H18NGF1012780064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 5305-00-273-1998
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.086 INCHES
THREAD QUANTITY PER INCH64
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.070 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
FASTENER LENGTH0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
SCREW MATERIAL COPPER ALLOY 464
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONBSAE 70B$JBCQQ-B-639 ALL MATERIAL RESPONSES
HEAD STYLE9 DISHED HEXAGON
HEAD DIAMETER0.161 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1