Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-01-270-1219 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: 7470.812SS12NS, 747-0.812-SS-12NS, 6175SS0632, 6175-SS-0632, GS553P06C13, 4209M07F09, 4209-M07-F09, 5305-01-270-1219, 01-270-1219, 5305012701219, 012701219
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 29, 1987 | 01-270-1219 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
CONE
CROSS RECESS TYPE II
Cross Reference | NSN 5305-01-270-1219
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 747-0.812-SS-12NS | 51506 | ACCURATE SCREWMACHINE CORPORATIONDBA A S M |
| 6175-SS-0632 | 1YGB8 | CAREY MANUFACTURING COMPANY, INC.DBA AMATOM ELECTRONIC HARDWARE |
| GS553P06C13 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
| 4209-M07-F09 | 04729 | UNICORP |
Technical Data | NSN 5305-01-270-1219
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.173 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| FASTENER LENGTH | 0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM |
| HEAD STYLE | 7 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.307 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| HEAD HEIGHT | 0.161 INCHES MINIMUM AND 0.213 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 1 CROSS RECESS TYPE II |
| POINT STYLE | CONE |
| POINT LENGTH | 0.125 INCHES NOMINAL |
| POINT DIAMETER | 0.079 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| POINT CHAMFER ANGLE | 55.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FIRST DIAMETER FROM HEAD | 0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.489 INCHES MINIMUM AND 0.509 INCHES MAXIMUM |