NSN 5305-00-012-8643

Part Details | MACHINE SCREW

5305-00-012-8643 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: 832UNC2AX38, 8-32UNC2AX3-8, 100497722, 10049772-2, 832UNC2AX38, 8-32UNC2AX3-8, 5305-00-012-8643, 00-012-8643, 5305000128643, 000128643

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196100-012-864306657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-012-8643
Part Number Cage Code Manufacturer
8-32UNC2AX3-809101AUSTIN CONTINENTAL INDUSTRIES INC
10049772-218876U S ARMY AVIATION AND MISSILECOMMAND
8-32UNC2AX3-828210UNITED STANDARD INDUSTRIES, INC.
Technical Data | NSN 5305-00-012-8643
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
FASTENER LENGTH0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
SCREW MATERIAL PLASTIC POLYAMIDE
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693,TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE
HEAD STYLE8 UNDERCUT HEXAGON
HEAD DIAMETER0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM
HEAD HEIGHT0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
SPECIAL FEATURESSERRATED STEEL CORE THRU LONGITUDINAL AXIS