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National Stock Number:
5305-01-627-5738
Federal Supply Class:
5305
National Item Identification Number:
016275738
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.
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Manufacturer Information:
| JSFB35 | 81755 | LOCKHEED MARTIN CORPORATION | | JSFB35E04-4 | 1EM77 | B & B SPECIALTIES INC | | JSFB35E04-4 | 51506 | ACCURATE SCREW MACHINE CORP | | JSFB35E04-4 | 58794 | FASTENER TECHNOLOGY CORP | | JSFB35E04-4 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.201 INCHES MINIMUM AND 0.213 INCHES MAXIMUM | | HEAD HEIGHT | 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM | | HEAD STYLE | ROOF | | INTERNAL DRIVE STYLE | TORX | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAPTIVE,PROTRUDING HEAD,REDUCED BODY | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 105000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.1120 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493,A581 OR A582 CONDITION A ASSN STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL CORROSION RESISTING | | SCREW SURFACE TREATMENT | PASSIVATE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OR AMS2700 NATIONAL SPEC SINGLE TREATMENT RESPONSE | | SPECIAL FEATURES | SHANK IS 0.073 INCHES MIN/0.083 INCHES MAX DIAMETER;MIN TORQUE IS 3 LBS;SCREW IS INTENDED FOR USE WITH JSFW30 WASHER,RETAINING | | THREAD LENGTH | 0.156 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNJC |
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