Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-851-4147 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.
Alternate Parts: 28150331, 2815033-1, 28150331, 2815033-1, FFS92B, FF-S-92B, 440NC3A X 1316 STL CAD PLD, 4-40NC-3A X 13/16 STL CAD PLD, 790628301, 7906283-01, 5305-00-851-4147, 00-851-4147, 5305008514147, 008514147
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-851-4147 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-851-4147
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2815033-1 | 18355 | BOEING COMPANY, THEDBA BOEING |
| 2815033-1 | 88277 | BOEING COMPANY, THEDBA BOEING |
| FF-S-92B | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 4-40NC-3A X 13/16 STL CAD PLD | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 7906283-01 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
Technical Data | NSN 5305-00-851-4147
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.812 INCHES MINIMUM |
| FASTENER LENGTH | 0.812 INCHES MINIMUM |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| HEAD HEIGHT | 0.105 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FIRST DIAMETER FROM HEAD | 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.547 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.618 INCHES NOMINAL |
| SPECIAL FEATURES | SCREW, EXTERNALLY RELIEVED BODY, STEEL, CAD PLD, SAE-AMS-S-6758 MATL, 4-40 NC 3A X 13/16, 0.240-0.260 IN. DIA OF HEAD, 0.105 IN. HEIGHT OF HEAD; 0.194 IN. THD LG; 0.138-0.142 IN. FIRST DIA FRM HEAD; 0.070-080IN. SECOND DIA FROM HEAD; 0.547 IN. FROM HEAD TO END OF FIRST DIA; 0.618 IN. FROM HD TO END OF SECOND DIA.; SPEC APPLIES EXCEPT AS INDICATED |
| SPECIFICATION/STANDARD DATA | 81348-FF--92 GOVERNMENT SPECIFICATION |
| NONDEFINITIVE SPEC/STD DATA | I TYPE AND 8S STYLE |