NSN 5305-00-484-2437

Part Details | MACHINE SCREW

5305-00-484-2437 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: FFB575, FF-B-575, 13833, Z114 013833, 5305-00-484-2437, 00-484-2437, 5305004842437, 004842437

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-484-243706657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-484-2437
Part Number Cage Code Manufacturer
FF-B-57581348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
1383335510PRESTOLITE ELECTRIC INC
Z114 01383335510PRESTOLITE ELECTRIC INC
Technical Data | NSN 5305-00-484-2437
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.250 INCHES MINIMUM
FASTENER LENGTH0.375 INCHES NOMINAL
SCREW MATERIAL STEEL
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASAE J429,GRADE 1$AASTM A307 ALL MATERIAL RESPONSES
SCREW SURFACE TREATMENT CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES
HARDNESS RATING70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH
HEAD STYLE1 HEXAGON
HEAD HEIGHT0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
SPECIFICATION/STANDARD DATA81348-FF-B-575 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 8-32UNC SIZE AND 3 TO 8IN. LENGTH
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY CROSS RECESSED HEAD INTERNAL WRENCHING