|
|
|
National Stock Number:
5305-01-468-3314
Federal Supply Class:
5305
National Item Identification Number:
014683314
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:
| B1821BH225C275N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
|
Techincal Specification:
| FASTENER LENGTH | 2.750 INCHES NOMINAL | | HEAD HEIGHT | 1.327 INCHES MINIMUM AND 1.423 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A 354, GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 2.250 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B 633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 4-1/2 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH BETWEEN FLATS | 3.262 INCHES MINIMUM AND 3.375 INCHES MAXIMUM |
|
|