NSN 5305-01-277-2564

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-277-2564 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Alternate Parts: 7317236846, 7-317236846, 7317236846, 7-317236846, 7317236846, 7-317236846, 5305-01-277-2564, 01-277-2564, 5305012772564, 012772564

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 20, 198801-277-256401852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HEXAGON

Cross Reference | NSN 5305-01-277-2564
Part Number Cage Code Manufacturer
7-3172368461GZ00ALZIEBLER INCORPORATEDDBA ALZIEBLER JOS CO
7-3172368468V613BOEING COMPANY, THEDBA BOEING
7-31723684602731MCDONNELL DOUGLAS HELICOPTER CO INC
Technical Data | NSN 5305-01-277-2564
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.216 INCHES NOMINAL
FASTENER LENGTH1.028 INCHES NOMINAL
HEAD STYLE HEXAGON COUNTERSUNK
HEAD HEIGHT0.167 INCHES NOMINAL
WIDTH BETWEEN FLATS0.155 INCHES NOMINAL
COUNTERSINK ANGLE120.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.125 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY4