Part Details | MACHINE SCREW
5305-01-371-1771 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: FFS86, FF-S-86, NAS1352C087P, NAS1352C08-7P, 5305-01-371-1771, 01-371-1771, 5305013711771, 013711771
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 08, 1993 | 01-371-1771 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
Cross Reference | NSN 5305-01-371-1771
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FF-S-86 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| NAS1352C08-7P | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-01-371-1771
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNRC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.438 INCHES MAXIMUM |
| FASTENER LENGTH | 0.408 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| SCREW MATERIAL | 2$4$5$DST0316$DST0384$DST0168 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD ALL MATERIAL RESPONSES |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 8 DISHED HEXAGON |
| HEAD DIAMETER | 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| HEAD HEIGHT | 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.1406 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |