NSN 5305-00-043-6644

Part Details | MACHINE SCREW

5305-00-043-6644 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: MS3522519, MS35225-19, 5305-00-043-6644, 00-043-6644, 5305000436644, 000436644

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-043-664406657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-043-6644
Part Number Cage Code Manufacturer
MS35225-1996906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-00-043-6644
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
FASTENER LENGTH0.750 INCHES NOMINAL
SCREW MATERIAL STEEL
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONBQQ-W-409 GRADE 2,3 OR 4$CQQ-S-633 1ST MATERIAL RESPONSE
SCREW SURFACE TREATMENT0$DZNA000
HEAD STYLE4 UNDERCUT HEXAGON
HEAD DIAMETER0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD HEIGHT0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 9S STYLE