Part Details | MACHINE SCREW
5305-00-839-2606 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: NAS1221415, NAS1221-4-15, NAS1221415, NAS1221-4-15, NAS1221415, NAS1221-4-15, NAS1221415, NAS1221-4-15, NAS1221415, NAS1221-4-15, NAS1221415, NAS1221-4-15, NAS1221415, NAS1221-4-15, NAS1221415, NAS1221-4-15, NAS1221415, NAS1221-4-15, NAS1221415, NAS1221-4-15, 5305-00-839-2606, 00-839-2606, 5305008392606, 008392606
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 19, 1966 | 00-839-2606 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
HIGH-TORQUE
Cross Reference | NSN 5305-00-839-2606
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1221-4-15 | 08938 | AIR INDUSTRIES CO INC |
| NAS1221-4-15 | 92215 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| NAS1221-4-15 | 30902 | F AND C SALES INC |
| NAS1221-4-15 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T |
| NAS1221-4-15 | 73197 | HI-SHEAR CORPORATION |
| NAS1221-4-15 | 97928 | HUCK INTL INC |
| NAS1221-4-15 | 04348 | LAWRENCE ENGINEERING AND SUPPLY INC |
| NAS1221-4-15 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
| NAS1221-4-15 | 07851 | NOR-CAL SUPPLY CO.INC. |
| NAS1221-4-15 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
Technical Data | NSN 5305-00-839-2606
| 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 | 0.329 INCHES MINIMUM AND 0.467 INCHES MAXIMUM |
| FASTENER LENGTH | 1.348 INCHES MINIMUM AND 1.395 INCHES MAXIMUM |
| SCREW MATERIAL | 0$DST0028$DST8740 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BMIL-S-5626$CMIL-S-5000$DMIL-S-6049 3RD MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |
| SPECIFICATION/STANDARD DATA | 80205-NAS1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |