Part Details | MACHINE SCREW
5305-01-386-5249 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: 022691, 02269-1, 5305-01-386-5249, 01-386-5249, 5305013865249, 013865249
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 06, 1994 | 01-386-5249 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
Cross Reference | NSN 5305-01-386-5249
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 02269-1 | 14153 | DEFENSE LOGISTICS AGENCYDBA DEFENSE SUPPLY CENTER |
Technical Data | NSN 5305-01-386-5249
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNRF |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES MAXIMUM |
| FASTENER LENGTH | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL UNS K03104 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES |
| HEAD STYLE | 8 DISHED HEXAGON |
| HEAD DIAMETER | 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| HEAD HEIGHT | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.1094 INCHES MINIMUM AND 0.1111 INCHES MAXIMUM |
| SPECIAL FEATURES | THIS ITEM IS FLIGHT SAFETY CRITICAL. THREAD IS SAFETY CRITICAL, UNIFIED FORM SPECIAL PER FED-STD-H28/2, DIMENSIONS PER DRAWING 02269. APPLY ONE COAT OF MIL-P-23377, TY 1, CL 1 OR 3 AND TWO TOP COATS OF MIL-C-46168, COLOR CODE 33538 PER FED-STD-595 TO TOP OF HEAD. |
| CRITICALITY CODE JUSTIFICATION | FEAT |