|
|
|
National Stock Number:
5305-00-809-0731
Federal Supply Class:
5305
National Item Identification Number:
008090731
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:
| 51B333-17 | 06725 | SPS TECHNOLOGIES, LLC | | 51B333-17 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 51B333-17 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. | | 51B333-17 | 17446 | HUCK INTERNATIONAL, INC | | 51B333-17 | 27624 | SPS TECHNOLOGIES LLC | | 51B333-17 | 73197 | HI-SHEAR CORPORATION | | 51B333-17 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 51B333-17 | 79U29 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 51B333-17 | 80539 | SPS TECHNOLOGIES, LLC |
|
Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.338 INCHES NOMINAL | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 1.062 INCHES NOMINAL | | HEAD DIAMETER | 0.385 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD LENGTH | 0.276 INCHES MINIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 32 |
|
|