Part Details | MACHINE SCREW
5305-01-143-3988 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: P3430203000, P343-0203-000, P343020300, P343-0203-00, 3430203000, 343-0203-000, 343020300, 343-0203-00, 3430203000, 343-0203-000, 5305-01-143-3988, 01-143-3988, 5305011433988, 011433988
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 02, 1982 | 01-143-3988 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-143-3988
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| P343-0203-000 | 77250 | ALLIED PRODUCTS CORP PHEOLL MFG CODIV |
| P343-0203-00 | 77250 | ALLIED PRODUCTS CORP PHEOLL MFG CODIV |
| 343-0203-000 | 13499 | ROCKWELL COLLINS, INC.DBA GOVERNMENT SYSTEMS |
| 343-0203-00 | 13499 | ROCKWELL COLLINS, INC.DBA GOVERNMENT SYSTEMS |
| 343-0203-000 | 95105 | ROCKWELL COLLINS, INC.DIV GOVERNMENT SYSTEMS - DALLAS |
Technical Data | NSN 5305-01-143-3988
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 3.750 INCHES NOMINAL |
| FASTENER LENGTH | 3.750 INCHES NOMINAL |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | FF-S-92 FED SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |