NSN 5305-00-098-2678
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-098-2678 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: 117B709H01, 5305-00-098-2678, 00-098-2678, 5305000982678, 000982678
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | DEC 06, 1972 | 00-098-2678 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-098-2678
Part Number | Cage Code | Manufacturer |
---|---|---|
117B709H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS |
Technical Data | NSN 5305-00-098-2678
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.144 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
FASTENER LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
HEAD STYLE | 2 DISHED HEXAGON |
HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FIRST DIAMETER FROM HEAD | 0.140 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.450 INCHES NOMINAL |