NSN 5305-00-272-3859

Part Details | MACHINE SCREW

5305-00-272-3859 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: 99921PC7, 5305-00-272-3859, 00-272-3859, 5305002723859, 002723859

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-272-385906657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-272-3859
Part Number Cage Code Manufacturer
99921PC710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-272-3859
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM
FASTENER LENGTH0.825 INCHES NOMINAL
SCREW MATERIAL STEEL
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890 CL B MIL SPEC SINGLE MATERIAL RESPONSE
HEAD STYLE9 DISHED HEXAGON
HEAD DIAMETER0.515 INCHES NOMINAL
COUNTERSINK ANGLE60.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1