NSN 5305-00-208-8318

Part Details | MACHINE SCREW

5305-00-208-8318 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: AN526C63212, AN526C632-12, 5305-00-208-8318, 00-208-8318, 5305002088318, 002088318

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-208-831806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-208-8318
Part Number Cage Code Manufacturer
AN526C632-1288044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
Technical Data | NSN 5305-00-208-8318
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
FASTENER LENGTH0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
SCREW MATERIAL0$DST0302$DST0303$DST0079
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONBQQ-S-763$JDCMIL-S-7720 COND B$DQQ-S-764 COND B$EQQ-S-764 COND B 1ST MATERIAL RESPONSE
SCREW SURFACE TREATMENT PASSIVATE
HEAD STYLE1 UNDERCUT HEXAGON
HEAD DIAMETER0.303 INCHES MINIMUM AND 0.321 INCHES MAXIMUM
HEAD HEIGHT0.086 INCHES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
NONDEFINITIVE SPEC/STD DATAI TYPE AND 7S STYLE