|
|
|
National Stock Number:
5305-00-005-0465
Federal Supply Class:
5305
National Item Identification Number:
000050465
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:
| 7S33J6-9 | 43999 | THE BOEING COMPANY |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.366 INCHES MINIMUM AND | | 0.416 INCHES MAXIMUM | | FASTENER LENGTH | 0.938 INCHES MINIMUM AND | | 0.968 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | HB0160-001 TY 2 H-11,FSCM 43999 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | NICKEL AND | | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LA0109-005,FSCM 43999 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH | | SINGLE SHEAR STRENGTH | 17250 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.552 INCHES MINIMUM AND | | 0.563 INCHES MAXIMUM | | HEAD HEIGHT | 0.191 INCHES MINIMUM AND | | 0.215 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | GRIP LENGTH | 0.552 INCHES MINIMUM AND | | 0.572 INCHES MAXIMUM | | GRIP DIAMETER | 0.3735 INCHES MINIMUM AND | | 0.3745 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.808 INCHES MINIMUM AND | | 0.858 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND | | 0.116 INCHES MAXIMUM FIRST HOLE | | SPECIAL FEATURES | RECESS PAINTED WITH ALUMINUM SILICONE NA2-1315 TYPE 2 43999 |
|
|