NSN 5305-01-294-1716

Part Details | HEXAGON HEAD CAP SCREW

5305-01-294-1716 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: 18UN2AX3 IN LG, 1-8UN-2AX3 IN LG, MILS1222, MIL-S-1222, MILDTL1222, MIL-DTL-1222, 5305-01-294-1716, 01-294-1716, 5305012941716, 012941716

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 11, 198901-294-171618257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-294-1716
Part Number Cage Code Manufacturer
1-8UN-2AX3 IN LG80204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
MIL-S-122281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-DTL-122281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 5305-01-294-1716
Characteristic Specifications
THREAD SERIES DESIGNATOR UN
THREAD LENGTH2.250 INCHES MINIMUM
FASTENER LENGTH2.860 INCHES MINIMUM AND 3.000 INCHES MAXIMUM
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER1.000 INCHES
THREAD QUANTITY PER INCH8
THREAD CLASS2A
HEAD HEIGHT0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 5 GRADE