NSN 5305-01-388-5784

Part Details | MACHINE SCREW

5305-01-388-5784 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: NAS60327, NAS603-27, 5305-01-388-5784, 01-388-5784, 5305013885784, 013885784

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 04, 199401-388-578406657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-388-5784
Part Number Cage Code Manufacturer
NAS603-2780205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-388-5784
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.566 INCHES MINIMUM AND 1.688 INCHES MAXIMUM
FASTENER LENGTH1.628 INCHES MINIMUM AND 1.688 INCHES MAXIMUM
SCREW MATERIAL0$DST0028$DST8740
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONBMIL-S-5626$CMIL-S-5000$DMIL-S-6049 3RD MATERIAL RESPONSE
SCREW SURFACE TREATMENT CADMIUM AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAD STYLE3 UNDERCUT HEXAGON
HEAD DIAMETER0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
SPECIFICATION/STANDARD DATA80205-NAS603 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD