NSN 5305-00-057-4373

Part Details | MACHINE SCREW

5305-00-057-4373 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: NAS16221, NAS1622-1, 5305-00-057-4373, 00-057-4373, 5305000574373, 000574373

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 08, 196700-057-437306657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

TORQUE SET

Cross Reference | NSN 5305-00-057-4373
Part Number Cage Code Manufacturer
NAS1622-180205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-00-057-4373
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.276 INCHES MINIMUM
FASTENER LENGTH0.323 INCHES MINIMUM AND 0.353 INCHES MAXIMUM
SCREW MATERIAL0$DST0028$DST6150$DST8735$DST8740
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONBMIL-S-5626$CMIL-S-5000$DMIL-S-8503$EMIL-S-6098$FMIL-S-6049 3RD MATERIAL RESPONSE
SCREW SURFACE TREATMENT CADMIUM AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE9 DISHED HEXAGON
HEAD DIAMETER0.277 INCHES MINIMUM AND 0.334 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE TORQUE SET
SPECIFICATION/STANDARD DATA80205-NAS1622 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD