NSN 5305-01-295-9903

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-295-9903 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: 8420C95ITEM1, 5305-01-295-9903, 01-295-9903, 5305012959903, 012959903

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 14, 198901-295-990301852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-295-9903
Part Number Cage Code Manufacturer
8420C95ITEM194259BECHTEL MARINE PROPULSIONCORPORATION
Technical Data | NSN 5305-01-295-9903
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER1.000 INCHES
THREAD QUANTITY PER INCH8
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
HEAD STYLE7 DISHED HEXAGON
HEAD DIAMETER1.619 INCHES MINIMUM AND 1.621 INCHES MAXIMUM
HEAD HEIGHT1.440 INCHES NOMINAL
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY