Part Details | MACHINE SCREW
5305-00-765-3281 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Alternate Parts: BACB30LU419, BACB30LU4-19, BACB30LU419, BACB30LU4-19, BACB30LU419, BACB30LU4-19, BACB30LU419, BACB30LU4-19, BACB30LU419, BACB30LU4-19, BACB30LU419, BACB30LU4-19, BACB30LU419, BACB30LU4-19, BACB30LU419, BACB30LU4-19, BACB30LU419, BACB30LU4-19, BACB30ABP419A, BACB30AB-P4-19A, BACB30LU419, BACB30LU4-19, BACB30LU419, BACB30LU4-19, 5305-00-765-3281, 00-765-3281, 5305007653281, 007653281
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 15, 1968 | 00-765-3281 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-765-3281
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| BACB30LU4-19 | 06950 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| BACB30LU4-19 | 92215 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| BACB30LU4-19 | 17943 | FEDERAL MANUFACTURING CORPORATION |
| BACB30LU4-19 | 17446 | HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND |
| BACB30LU4-19 | 97928 | HUCK INTL INC |
| BACB30LU4-19 | 57928 | SONIC INDUSTRIES INC. |
| BACB30LU4-19 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
| BACB30LU4-19 | 06725 | SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES |
| BACB30LU4-19 | 27624 | SPS TECHNOLOGIES, LLCDBA PB FASTENERS |
| BACB30AB-P4-19A | 81205 | THE BOEING COMPANYDBA BOEING |
| BACB30LU4-19 | 81205 | THE BOEING COMPANYDBA BOEING |
| BACB30LU4-19 | 06710 | VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND |
Technical Data | NSN 5305-00-765-3281
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.425 INCHES MINIMUM |
| FASTENER LENGTH | 2.038 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.464 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |