NSN 5305-01-293-5314

Part Details | MACHINE SCREW

5305-01-293-5314 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: 1420UNC2AX134 LG, 1/4-20UNC-2AX1-3/4 LG, FFS92, FF-S-92, 5305-01-293-5314, 01-293-5314, 5305012935314, 012935314

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 03, 198901-293-531406657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-293-5314
Part Number Cage Code Manufacturer
1/4-20UNC-2AX1-3/4 LG80204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
FF-S-9281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 5305-01-293-5314
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.590 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
FASTENER LENGTH1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
SCREW MATERIAL8$DST1010$DST1015$DST1016$DST1017$DST1018$DST1019$DST1020$DST1021$DST1022$DST1025$DST1030$DST1035$DST1040$DST1045$DST1050$DST1095$DST1213$DST1115$DST1117$DST1118$DST1137$DST1141$DST1144$DST1151$DST0063$DST1211$DST1212$DST1548$DST1215$DST1330
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES
SCREW SURFACE TREATMENT ZINC AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE
HEAD STYLE3 UNDERCUT HEXAGON
HEAD DIAMETER0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
NONDEFINITIVE SPEC/STD DATAY3$JST9C