Part Details | MACHINE SCREW
5305-01-437-4381 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: NAS11893P7B, NAS1189-3P7B, 5305-01-437-4381, 01-437-4381, 5305014374381, 014374381
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 12, 1996 | 01-437-4381 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-437-4381
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1189-3P7B | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-01-437-4381
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| FASTENER LENGTH | 0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | CHROMATE AND CADMIUM |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2CL2 FED SPEC SINGLE TREATMENT RESPONSE |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| HEAD STYLE | 0 CROWNED HEXAGON |
| HEAD DIAMETER | 0.371 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| HEAD HEIGHT | 0.080 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| LOCKING FEATURE | PATCH |
| SPECIFICATION/STANDARD DATA | 80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |