NSN 5305-00-143-2325

Part Details | MACHINE SCREW

5305-00-143-2325 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: NAS14028, NAS1402-8, 5305-00-143-2325, 00-143-2325, 5305001432325, 001432325

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 04, 196800-143-232506657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-143-2325
Part Number Cage Code Manufacturer
NAS1402-880205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-00-143-2325
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM
FASTENER LENGTH0.823 INCHES MINIMUM AND 0.853 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 ALL TREATMENT RESPONSES
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE3 UNDERCUT HEXAGON
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
SPECIAL FEATURESSURF FINISH ON HEAD TO SHANK FILLET 32 MICROINCHES