|
|
|
National Stock Number:
5305-01-115-1923
Federal Supply Class:
5305
National Item Identification Number:
011151923
Description:
SCREW,EXTERNALLY RELIEVED BODY
Detail:
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.
|
Manufacturer Information:
| 855107-0001 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 855107-1 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 855107-2 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNRF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.470 INCHES MINIMUM AND | | 1.530 INCHES MAXIMUM | | FASTENER LENGTH | 3.000 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.457 INCHES MINIMUM AND | | 0.469 INCHES MAXIMUM | | HEAD HEIGHT | 0.306 INCHES MINIMUM AND | | 0.312 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.250 INCHES MINIMUM AND | | 0.253 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.255 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.470 INCHES MINIMUM AND | | 1.530 INCHES MAXIMUM |
|
|