NSN 5305-00-505-2788

Part Details | MACHINE SCREW

5305-00-505-2788 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: LS15262V087, LS15262V08-7, AMS7879, 5305-00-505-2788, 00-505-2788, 5305005052788, 005052788

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 20, 197400-505-278806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-505-2788
Part Number Cage Code Manufacturer
LS15262V08-798897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
AMS787977445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5305-00-505-2788
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.345 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
FASTENER LENGTH0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SCREW MATERIAL TITANIUM ALLOY UNS R54520
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONNAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE3 UNDERCUT HEXAGON
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT