NSN 5305-01-317-0161

Part Details | MACHINE SCREW

5305-01-317-0161 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: 177004392, 177004-392, 5305-01-317-0161, 01-317-0161, 5305013170161, 013170161

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 21, 199001-317-016106657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-317-0161
Part Number Cage Code Manufacturer
177004-39210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-01-317-0161
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
FASTENER LENGTH1.125 INCHES NOMINAL
SCREW MATERIAL3$DST0316
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONBASTM A484$JBCQQ-S-763 ALL MATERIAL RESPONSES
HEAD STYLE3 DISHED HEXAGON
HEAD DIAMETER0.490 INCHES MINIMUM AND 0.519 INCHES MAXIMUM
HEAD HEIGHT0.181 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1