Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-01-156-5088 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: 7094684906 ITEM 13, 709-4684906 ITEM 13, 7094684906 TEM 13, 709-4684906 TEM 13, 5305-01-156-5088, 01-156-5088, 5305011565088, 011565088
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 21, 1983 | 01-156-5088 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-156-5088
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 709-4684906 ITEM 13 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 709-4684906 TEM 13 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 5305-01-156-5088
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.550 INCHES NOMINAL |
| FASTENER LENGTH | 4.515 INCHES NOMINAL |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 1.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.485 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
| FIRST DIAMETER FROM HEAD | 0.622 INCHES MINIMUM AND 0.624 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.635 INCHES MINIMUM AND 0.637 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.320 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 3.515 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 3.765 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 3.965 INCHES NOMINAL |