|
|
|
National Stock Number:
5305-01-137-7042
Federal Supply Class:
5305
National Item Identification Number:
011377042
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
|
Manufacturer Information:
| BACF34L4BT2HS | 5R793 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACF34L4BT2HS | 81205 | THE BOEING COMPANY | | CA21150-4-2HS | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | BACF34L4BT2HS | 8K160 | UNIREX, INC. |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.477 INCHES MINIMUM AND | | 0.637 INCHES MAXIMUM | | FASTENER LENGTH | 0.767 INCHES MINIMUM AND | | 0.787 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8740 OR | | STEEL COMP 4140 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | TIN OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-T-10727 TY1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.360 INCHES MINIMUM AND | | 0.404 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.1562 INCHES MINIMUM AND | | 0.1587 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SPECIAL FEATURES | THREE SLOTS 0.040 IN. WIDE BY 0.029 IN. DEEP ALONG THE LONGITUDINAL AXIS AND 120 DEGREES APART,THREAD TO BE DOUBLE LEAD | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81205 | | DESIGN CONTROL REFERENCE | BACF34L4BT2HS |
|
|