Part Details | MACHINE SCREW
5305-00-290-2421 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: AC31693, AC31693, MS35241105, MS35241-105, AC31693, 5305-00-290-2421, 00-290-2421, 5305002902421, 002902421
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1960 | 00-290-2421 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-290-2421
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AC31693 | 63477 | FEDERAL MOGUL CORPSUB WAGNER BRAKE |
| AC31693 | 16662 | LIFT PARTS MFG CO INCDIV OF ECHLIN MFG CO THE |
| MS35241-105 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| AC31693 | 66654 | TVH PARTS CO. |
Technical Data | NSN 5305-00-290-2421
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.000 INCHES MAXIMUM |
| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| SCREW MATERIAL | 0$DST1006$DST1008$DST1010$DST1025$DST1030$DST1033$DST1034$DST1035$DST1038$DST1040$DST1045 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BQQ-S-633 CANCELED$CQQ-W-409,GR2,GR3,GR4 1ST MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM AND ZINC |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CLC FED SPEC 1ST TREATMENT RESPONSE AND QQ-Z-325,TY2,CL3 FED SPEC 2ND TREATMENT RESPONSE |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.600 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2S STYLE |