|
|
|
National Stock Number:
5305-01-287-1915
Federal Supply Class:
5305
National Item Identification Number:
012871915
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:
| 10277144 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 210-SS-26 ZZ | 55566 | MATTHEW WARREN, INC | | 210SS26 | 55566 | MATTHEW WARREN, INC |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.360 INCHES MINIMUM AND | | 0.390 INCHES MAXIMUM | | FASTENER LENGTH | 0.797 INCHES MINIMUM AND | | 0.827 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | COLOR | BLACK OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.562 INCHES MINIMUM AND | | 0.577 INCHES MAXIMUM | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | POINT STYLE | CONE | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
|
|