National Item Identification Number
01-236-1670
012361670
5305-01-236-1670
5305012361670
National Stock Number
Item Name
SCREW,CAP,HEXAGON HEAD
Federal Supply Class
5305
Description
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. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
Commercial and Government Entity Code (Supplier Data)
1X179
SPECTRUM SCIENCES & SOFTWARE INC
91 HILL AVE NW
FORT WALTON BEACH
FL
32548
850-796-0909
61420
VER-VAL ENTERPRISES INC
646 ANCHORS STREET SUITE 8
FORT WALTON BEACH
FL
32548
850-244-7931
18894
AIR ARMAMENT CENTER/ EN
207 W D AVE
EGLIN AFB
FL
32542
850-882-4014
39428
Reference Numbers (Part Numbers)
1/2-13X3UNC-2A,ALL THREAD
1/2-13X3UNC-2A,ALL THREAD
8457666-1
91309A724
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.500 INCHES
13
2A
RIGHT-HAND
2.786 INCHES MINIMUM AND
3.060 INCHES MA