Part Details | MACHINE SCREW
5305-01-364-8993 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: 135003PC608, 11538724693C100, 115387-24693-C100, LL57G040P20, 1072561181, 107256-1181, 5305-01-364-8993, 01-364-8993, 5305013648993, 013648993
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 28, 1992 | 01-364-8993 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-364-8993
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 135003PC608 | 94271 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 115387-24693-C100 | 94271 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| LL57G040P20 | 03038 | LONG-LOK FASTENERS CORPORATION |
| 107256-1181 | 37695 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5305-01-364-8993
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.140 INCHES NOMINAL |
| FASTENER LENGTH | 1.250 INCHES NOMINAL |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| SCREW SURFACE TREATMENT | PASSIVATE |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.442 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| LOCKING FEATURE | STRIP |
| SPECIAL FEATURES | LOCKING INSERT 0.438 IN. LONG; LOCKING INSERT MATL.-BLUE KEL-F,CAGE 03038 |