NSN 5305-01-398-8788

Part Details | MACHINE SCREW

5305-01-398-8788 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: 4052303P1, 5305-01-398-8788, 01-398-8788, 5305013988788, 013988788

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 10, 199401-398-878806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5305-01-398-8788
Part Number Cage Code Manufacturer
4052303P194117BAE SYSTEMS INFORMATION ANDELECTRONIC SYSTEMS INTEGRATION INC.
Technical Data | NSN 5305-01-398-8788
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.590 INCHES NOMINAL
FASTENER LENGTH0.680 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 304
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT PASSIVATE
HEAD STYLE8 DISHED HEXAGON
HEAD DIAMETER0.875 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
HEAD HOLE CONFIGURATION STYLE1 DOUBLE HEXAGON FLATS
HOLE QUANTITY1
HOLE DIAMETER0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT