NSN 5305-00-207-4193
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-207-4193 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: 16148322, 161-48322, 5305-00-207-4193, 00-207-4193, 5305002074193, 002074193
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-207-4193 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-207-4193
Part Number | Cage Code | Manufacturer |
---|---|---|
161-48322 | 43999 | BOEING COMPANY, THEDBA BOEING |
Technical Data | NSN 5305-00-207-4193
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.594 INCHES MINIMUM |
FASTENER LENGTH | 0.812 INCHES NOMINAL |
HEAD STYLE | 0 DISHED HEXAGON |
HEAD DIAMETER | 0.559 INCHES NOMINAL |
HEAD HEIGHT | 0.141 INCHES NOMINAL |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
FIRST DIAMETER FROM HEAD | 0.250 INCHES NOMINAL |
SECOND DIAMETER FROM HEAD | 0.209 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |