|
|
|
National Stock Number:
5305-01-616-9619
Federal Supply Class:
5305
National Item Identification Number:
016169619
Description:
SCREW,CLOSE TOLERANCE
Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
|
Manufacturer Information:
| NAS7210AD56 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.6250 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.902 INCHES NOMINAL | | FASTENER LENGTH | 4.387 INCHES MINIMUM AND | | 4.417 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 OR 5737 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS4006 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 1.169 INCHES MINIMUM AND | | 1.276 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | GRIP LENGTH | 3.49 INCHES MINIMUM AND | | 3.51 INCHES MAXIMUM | | GRIP DIAMETER | 0.6230 INCHES MINIMUM AND | | 0.6240 INCHES MAXIMUM | | POINT STYLE | FLAT | | POINT DIAMETER | 0.612 INCHES MINIMUM AND | | 0.618 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.153 INCHES NOMINAL ALL HOLES | | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND | | 0.151 INCHES MAXIMUM ALL HOLES | | SPECIFICATION/STANDARD DATA | 80205-NAS7203 THRU 7216 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,100 DEG.HEAD,CRUCIFORM RECESS,CLOSE TOLERANCE,A286 CRES,LONG THREAD,SELF-LOCKING AND NONLOCKING |
|
|