NSN 5305-00-068-1803

Part Details | MACHINE SCREW

5305-00-068-1803 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: MS3521861, MS35218-61, 5305-00-068-1803, 00-068-1803, 5305000681803, 000681803

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196000-068-180306657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-068-1803
Part Number Cage Code Manufacturer
MS35218-6196906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-00-068-1803
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.301 INCHES MINIMUM
FASTENER LENGTH1.500 INCHES NOMINAL
SCREW MATERIAL4$DAL2017
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONBQQ-A-200 TO 3$BQQ-A-225 TO 6$CQQ-A-225 TO 5 1ST MATERIAL RESPONSE
SCREW SURFACE TREATMENT ANODIZE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH62000 POUNDS PER SQUARE INCH
HEAD STYLE4 UNDERCUT HEXAGON
HEAD DIAMETER0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 9C STYLE
END ITEM IDENTIFICATIONSPEC ITEM