Part Details | MACHINE SCREW
5305-01-260-3249 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: AN520UB0R2, FFS92, FF-S-92, 5305-01-260-3249, 01-260-3249, 5305012603249, 012603249
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 29, 1987 | 01-260-3249 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-260-3249
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN520UB0R2 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| FF-S-92 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 5305-01-260-3249
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.060 INCHES |
| THREAD QUANTITY PER INCH | 80 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.069 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| FASTENER LENGTH | 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| SCREW MATERIAL | 4$6$9$DCU0080$DCU0081$DCU0088$DCU0089$DCU0091$DCU0092$DCU0098$DCU0099$DCU0100$DCU0101$DCU0103$DCU0148$DCU0150$DCU0152$DCU0157 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | GQQ-B-613$GQQ-B-626$GQQ-W-321 1ST MATERIAL RESPONSE |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 8 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.099 INCHES MINIMUM AND 0.113 INCHES MAXIMUM |
| HEAD HEIGHT | 0.053 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1S STYLE |