NSN 5305-01-077-6778

Part Details | MACHINE SCREW

5305-01-077-6778 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: 756224101, 756224-101, 5305-01-077-6778, 01-077-6778, 5305010776778, 010776778

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 29, 197901-077-677806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-077-6778
Part Number Cage Code Manufacturer
756224-10198897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5305-01-077-6778
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.300 INCHES NOMINAL
FASTENER LENGTH0.400 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 4130
HEAD STYLE9 DISHED HEXAGON
HEAD DIAMETER0.333 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1