NSN 5305-00-019-3257
Part Details | MACHINE SCREW
5305-00-019-3257 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: 500 L 166.020, 193257, FFS92TYPE1STYLE9S, 193257, MS3522526, MS35225-26, 12Z113125, 12Z1131-25, 5305-00-019-3257, 00-019-3257, 5305000193257, 000193257
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-019-3257 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-019-3257
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 500 L 166.020 | C3944 | ASC SCHUEBEL ELECTRONIC GMBH |
| 193257 | 56442 | DIAMOND REO TRUCK CO |
| FFS92TYPE1STYLE9S | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 193257 | 24617 | GENERAL MOTORS CORP |
| MS35225-26 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| 12Z1131-25 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 5305-00-019-3257
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.250 INCHES MAXIMUM |
| FASTENER LENGTH | 0.250 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BQQ-S-633-CANCELLED$CQQ-W-409,GRADE 2,3 OR 4 1ST MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM AND $DZNA000 CHROMATE AND CHROMATE |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| HEAD HEIGHT | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 9S STYLE |
