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National Stock Number:
5305-01-232-6713
Federal Supply Class:
5305
National Item Identification Number:
012326713
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.
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Manufacturer Information:
| 10113563 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 123418 | 80539 | SPS TECHNOLOGIES, LLC | | 74B738006-201 | 76301 | THE BOEING COMPANY | | AS320-201 | 84256 | AVIBANK MFG., INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.452 INCHES MINIMUM AND | | 0.467 INCHES MAXIMUM | | FASTENER LENGTH | 2.710 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 SPRING | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE SPRING | | SURFACE TREATMENT | PASSIVATE SPRING | | CADMIUM AND | | CHROMATE FASTENER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING | | QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER | | HEAD STYLE | DOUBLE CHAMFER | | HEAD DIAMETER | 0.688 INCHES NOMINAL | | HEAD HEIGHT | 0.830 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SQUARE | | WIDTH ACROSS FLATS | 0.378 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | LOCKING FEATURE | DETENT BALL GRIP | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.374 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.298 INCHES MINIMUM AND | | 0.308 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.380 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.493 INCHES MINIMUM AND | | 0.508 INCHES MAXIMUM | | SPECIAL FEATURES | HEAD DESIGN IN THREE SECTION; FROM TOP 0.250 IN. LENGTH,0.688 IN. DIA.,0.770 IN. LENGTH,0.440 IN. DIA.,0.830 IN. LENGTH,0.630 IN. DIA.; POINT SHANK FROM THREADED END,1.750 IN. LENGTH,0.249 IN. MIN. AND 0.250 IN. MAX. DIA.;HOLE IN SHANK,FROM HEAD 1.750 IN. TO CENTER OF HOLE 0.0627 IN. MIN. AND 0.0631 IN. MAX. DIA. SUPPLIED WITH PLUNGER AND PLUG |
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