NSN 5305-00-004-1389

Part Details | MACHINE SCREW

5305-00-004-1389 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: A51M2062211, A51M20622-11, A51M2062211, A51M20622-11, 5305-00-004-1389, 00-004-1389, 5305000041389, 000041389

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 27, 197200-004-138906657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5305-00-004-1389
Part Number Cage Code Manufacturer
A51M20622-1126512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
A51M20622-1161174NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
Technical Data | NSN 5305-00-004-1389
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.375 INCHES MAXIMUM
FASTENER LENGTH0.375 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 630
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT PASSIVATE
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HEAD STYLE8 DISHED HEXAGON
HEAD DIAMETER0.500 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
HEAD HOLE CONFIGURATION STYLE1 DOUBLE HEXAGON FLATS
HOLE QUANTITY1
HOLE DIAMETER0.063 INCHES NOMINAL
TEST DATA DOCUMENT81349-MIL-I-686 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT