Part Details | MACHINE SCREW
5305-00-298-4689 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: FFB575, FF-B-575, 22029, Z114 022029, 5305-00-298-4689, 00-298-4689, 5305002984689, 002984689
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-298-4689 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-298-4689
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FF-B-575 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 22029 | 35510 | PRESTOLITE ELECTRIC INC |
| Z114 022029 | 35510 | PRESTOLITE ELECTRIC INC |
Technical Data | NSN 5305-00-298-4689
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.312 INCHES MAXIMUM |
| FASTENER LENGTH | 0.312 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | A81343-SAE J429,GRADE 1$AASTM A307 ALL MATERIAL RESPONSES |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES |
| HARDNESS RATING | 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM |
| MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 1 HEXAGON |
| HEAD HEIGHT | 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| SPECIFICATION/STANDARD DATA | 81348-FF-B-575 GOVERNMENT SPECIFICATION |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 8-32UNC SIZE AND 5 TO 16IN. LENGTH |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SLOTTED HEAD INTERNAL WRENCHING |