NSN 5305-00-132-4225
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-132-4225 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: 124221, 124221, 5305-00-132-4225, 00-132-4225, 5305001324225, 001324225
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | OCT 20, 1974 | 00-132-4225 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-132-4225
Part Number | Cage Code | Manufacturer |
---|---|---|
124221 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATIONSYSTEMS DIVISION |
124221 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NAVIGATION AND MARITIME SYSTEMS |
Technical Data | NSN 5305-00-132-4225
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.112 INCHES |
THREAD QUANTITY PER INCH | 40 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.135 INCHES MINIMUM |
FASTENER LENGTH | 0.410 INCHES NOMINAL |
HEAD STYLE | 9 CROWNED HEXAGON |
HEAD DIAMETER | 0.250 INCHES NOMINAL |
HEAD HEIGHT | 0.120 INCHES NOMINAL |
INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
FIRST DIAMETER FROM HEAD | 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM |
SECOND DIAMETER FROM HEAD | 0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
THIRD DIAMETER FROM HEAD | 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM |
FOURTH DIAMETER FROM HEAD | 0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.116 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.143 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 0.263 INCHES NOMINAL |