|
|
|
National Stock Number:
5305-00-418-6612
Federal Supply Class:
5305
National Item Identification Number:
004186612
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
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.
|
Manufacturer Information:
| 936F968PC6 | 94259 | BECHTEL MARINE PROPULSION CORPORATION |
|
Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | FASTENER LENGTH | 4.380 INCHES MINIMUM AND 4.620 INCHES MAXIMUM | | HEAD HEIGHT | 0.880 INCHES MINIMUM AND 1.120 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164-61,CL A ASSN STD 1ST MATERIAL RESPONSE OR ASTM B164-61,CL B ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CERTIFIED FREE FROM MERCURY CONTAMINATION | | WIDTH BETWEEN FLATS | 1.125 INCHES MINIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.500 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 10 |
|
|