Part Details | MACHINE SCREW
5305-01-044-0721 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: NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, NAS1221088P, NAS1221-08-8P, 5305-01-044-0721, 01-044-0721, 5305010440721, 010440721
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 07, 1977 | 01-044-0721 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
HIGH-TORQUE
Cross Reference | NSN 5305-01-044-0721
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1221-08-8P | 08938 | AIR INDUSTRIES CO INC |
| NAS1221-08-8P | 92215 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| NAS1221-08-8P | 08751 | BRONZE CRAFT INC |
| NAS1221-08-8P | 30902 | F AND C SALES INC |
| NAS1221-08-8P | 58998 | FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T |
| NAS1221-08-8P | 73197 | HI-SHEAR CORPORATION |
| NAS1221-08-8P | 17446 | HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND |
| NAS1221-08-8P | 97928 | HUCK INTL INC |
| NAS1221-08-8P | 04348 | LAWRENCE ENGINEERING AND SUPPLY INC |
| NAS1221-08-8P | L4528 | LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC |
| NAS1221-08-8P | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
| NAS1221-08-8P | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| NAS1221-08-8P | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
Technical Data | NSN 5305-01-044-0721
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM |
| FASTENER LENGTH | 0.824 INCHES MINIMUM AND 0.854 INCHES MAXIMUM |
| SCREW MATERIAL | 8$DST4140$DST8740$DST8735$DST6150 |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.294 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |
| SPECIFICATION/STANDARD DATA | 80205-NAS1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |