Part Details | ASSEMBLED WASHER SCREW
5305-01-137-7757 A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).
Alternate Parts: NAS720B68, NAS720B6-8, 5305-01-137-7757, 01-137-7757, 5305011377757, 011377757
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 02, 1982 | 01-137-7757 | 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 5305-01-137-7757
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS720B6-8 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-01-137-7757
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES NOMINAL |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.263 INCHES NOMINAL |
| HEAD HEIGHT | 0.077 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| WASHER QUANTITY | 2 |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.250 INCHES NOMINAL |
| PRIMARY WASHER MATERIAL THICKNESS | 0.031 INCHES NOMINAL |
| SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL |
| SECONDARY WASHER STYLE | 0 COUNTERSINK EXTERNAL TEETH |
| SECONDARY WASHER OUTSIDE DIAMETER | 0.250 INCHES NOMINAL |
| SECONDARY WASHER MATERIAL THICKNESS | 0.016 INCHES NOMINAL |
| SPECIFICATION/STANDARD DATA | 80205-NAS720 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |