Part Details | MACHINE SCREW
5305-00-273-5498 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: NAS1742C04R10U, 5305-00-273-5498, 00-273-5498, 5305002735498, 002735498
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 30, 1973 | 00-273-5498 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE III
Cross Reference | NSN 5305-00-273-5498
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1742C04R10U | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-00-273-5498
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.575 INCHES MAXIMUM |
| FASTENER LENGTH | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM |
| SCREW MATERIAL | IRON ALLOY 660 |
| LOCKING FEATURE MATERIAL | PLASTIC POLYAMIDE |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AAMS 5737$AAMS 5737 ALL MATERIAL RESPONSES |
| LOCKING FEATURE MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18240 MIL SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 3 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE III |
| LOCKING FEATURE | PATCH |
| BEARING SURFACE OF HEAD SURFACE FINISH | 32.0 MICROINCHES |
| THREAD SURFACE FINISH | 32.0 MICROINCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS1742 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |