NSN 5305-01-392-9370

Part Details | MACHINE SCREW

5305-01-392-9370 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: DAA7252G807031, DAA7252G807-031, 5305-01-392-9370, 01-392-9370, 5305013929370, 013929370

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 11, 199401-392-937006657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-392-9370
Part Number Cage Code Manufacturer
DAA7252G807-03180378TRIUMPH AEROSTRUCTURES, LLCDBA TRIUMPH AEROSTRUCTURES - VOUGHT
Technical Data | NSN 5305-01-392-9370
Characteristic Specifications
THREAD SERIES DESIGNATOR UNEF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.170 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
FASTENER LENGTH0.500 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 321
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, COND A FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT PASSIVATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35, TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE
HEAD STYLE4 UNDERCUT HEXAGON
HEAD DIAMETER0.243 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
HEAD HEIGHT0.080 INCHES NOMINAL
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
SPECIAL FEATURES0.060 IN. FULL RADIUS UNDER BEARING SURFACE OF HEAD