NSN 5305-00-188-0773

Part Details | MACHINE SCREW

5305-00-188-0773 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: IM1526, 5305-00-188-0773, 00-188-0773, 5305001880773, 001880773

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 07, 197300-188-077306657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-188-0773
Part Number Cage Code Manufacturer
IM152603950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
Technical Data | NSN 5305-00-188-0773
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.580 INCHES MINIMUM
FASTENER LENGTH1.630 INCHES NOMINAL
SCREW MATERIAL2$3$4$5
SCREW SURFACE TREATMENT PASSIVATE
HEAD STYLE3 UNDERCUT HEXAGON
HEAD DIAMETER0.219 INCHES MAXIMUM
HEAD HEIGHT0.068 INCHES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT