NSN 5305-00-638-4441

Part Details | HEXAGON HEAD CAP SCREW

5305-00-638-4441 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Alternate Parts: 2337991504, 2337991-504, 2337991504, 2337991-504, 1211923, 12119-23, 5305-00-638-4441, 00-638-4441, 5305006384441, 006384441

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-638-444118257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-00-638-4441
Part Number Cage Code Manufacturer
2337991-50488277BOEING COMPANY, THEDBA BOEING
2337991-50418355BOEING COMPANY, THEDBA BOEING
12119-2378022NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
Technical Data | NSN 5305-00-638-4441
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
THREAD LENGTH1.172 INCHES MINIMUM AND 1.219 INCHES MAXIMUM
FASTENER LENGTH2.359 INCHES MINIMUM AND 2.406 INCHES MAXIMUM
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
HEAD HEIGHT0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT