NSN 5305-00-013-0521
Part Details | MACHINE SCREW
5305-00-013-0521 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: FFS92, 790011003, 790-011-003, A320A3570215, A320A357-0215, 5305-00-013-0521, 00-013-0521, 5305000130521, 000130521
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1961 | 00-013-0521 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-013-0521
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FFS92 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 790-011-003 | 97871 | RAYTHEON COMPANYDBA RAYTHEON |
| A320A357-0215 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
Technical Data | NSN 5305-00-013-0521
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| THREAD QUANTITY PER INCH | 56 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.250 INCHES MINIMUM |
| FASTENER LENGTH | 0.250 INCHES NOMINAL |
| SCREW MATERIAL | 0$6 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BQQ-S-763$JGCASTM A582 1ST MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | OXIDE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM |
| HEAD HEIGHT | 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 9C STYLE |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL,AS MODIFIED BY SURFACE TREATMENT |