NSN 5305-01-334-8683

Part Details | MACHINE SCREW

5305-01-334-8683 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: FFS92, FF-S-92, 91770A831, MS514932, MS51493-2, 5305-01-334-8683, 01-334-8683, 5305013348683, 013348683

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 04, 199101-334-868306657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-334-8683
Part Number Cage Code Manufacturer
FF-S-9281348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
91770A83139428MCMASTER-CARR SUPPLY COMPANY
MS51493-296906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-01-334-8683
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.656 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
FASTENER LENGTH0.718 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
SCREW MATERIAL5$6$7$8$9$DST1020$DST1021$DST1022$DST1023$DST1524$DST1025$DST1026$DST1527$DST1029$DST1030$DST1116$DST1117$DST1118$DST1119$DST1132
SCREW SURFACE TREATMENT ZINC AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633-78,TY2 ASSN STD SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH
HEAD STYLE3 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