Part Details | ASSEMBLED WASHER SCREW
5305-01-412-1449 A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).
Alternate Parts: NAS720B43, NAS720B4-3, 5305-01-412-1449, 01-412-1449, 5305014121449, 014121449
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 12, 1995 | 01-412-1449 | 06660 ( SCREW, ASSEMBLED WASHER ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
COUNTERSINK EXTERNAL TEETH
SPLIT HELICAL RING
COUNTERSINK EXTERNAL TEETH
SPLIT HELICAL RING
Cross Reference | NSN 5305-01-412-1449
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS720B4-3 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-01-412-1449
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.107 INCHES NOMINAL |
| FASTENER LENGTH | 0.188 INCHES NOMINAL |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| HEAD HEIGHT | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| WASHER QUANTITY | 2 |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.209 INCHES MINIMUM |
| PRIMARY WASHER MATERIAL THICKNESS | 0.025 INCHES NOMINAL |
| SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL |
| SECONDARY WASHER STYLE | 0 COUNTERSINK EXTERNAL TEETH |
| SECONDARY WASHER OUTSIDE DIAMETER | 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
| SECONDARY WASHER MATERIAL THICKNESS | 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS720 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |