Part Details | MACHINE SCREW
5305-01-004-4978 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: 51290416, 5129-0416, 51290416, 5129-0416, 5305-01-004-4978, 01-004-4978, 5305010044978, 010044978
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 10, 1975 | 01-004-4978 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-004-4978
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5129-0416 | 27893 | CARBORUNDUM CO THEGRAPHITE PRODUCTS DIVISION |
| 5129-0416 | 0KDP7 | KIDDE-FENWAL, INC.DBA KIDDE FIRE SYSTEM |
Technical Data | NSN 5305-01-004-4978
| 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 | 0.918 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| FASTENER LENGTH | 0.968 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | 0$DCMA000 |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| HEAD STYLE | 0 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.223 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| HEAD HEIGHT | 0.056 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |