5120-00-143-2751 INSERTER,SEAL Index 1020-00-143-2763 GEAR

National Stock Number:
5305-00-143-2757

Federal Supply Class:
5305

National Item Identification Number:
001432757

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
23451011449TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
23451056878SPS TECHNOLOGIES, LLC
23451077445RTX CORPORATION
23451092215HOWMET GLOBAL FASTENING SYSTEMS INC
23451093907TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HEAD DIAMETER0.477 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.250 INCHES
NONSTANDARD THREAD PITCH DIAMETER+0.2216 TO 0.2238 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL CORROSION RESISTING
SCREW SURFACE TREATMENTPASSIVATE
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.527 INCHES MINIMUM AND 0.547 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORWHITWORTH


Click here to Register for Free 30-day Trial