Part Details | MACHINE SCREW
5305-01-191-6268 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: 123WM10111611, 123WM10111-611, 5305-01-191-6268, 01-191-6268, 5305011916268, 011916268
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 11, 1984 | 01-191-6268 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-191-6268
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 123WM10111-611 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
Technical Data | NSN 5305-01-191-6268
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.402 INCHES NOMINAL |
| FASTENER LENGTH | 0.987 INCHES MINIMUM AND 1.017 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 CROWNED HEXAGON |
| HEAD DIAMETER | 0.531 INCHES NOMINAL |
| HEAD HEIGHT | 0.057 INCHES MINIMUM AND 0.059 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| SPECIAL FEATURES | CONCENTRIC HOLE 0.1596 IN. MIN DIA,0.1675 IN. MAX DIA,0.10 IN. THD DIA 32 THDS PER IN.,COUNTERSUNK 90 DEGREES 0.156 IN. MIN DIA,0.187 IN. MAX DIA 0.353 IN. MIN; 0.425 IN. MAX LENGTH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |