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National Stock Number:
5305-01-627-6549
Federal Supply Class:
5305
National Item Identification Number:
016276549
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:
| JSFB38 | 81755 | LOCKHEED MARTIN CORPORATION | | JSFB38-4-12D | 06725 | SPS TECHNOLOGIES, LLC | | JSFB38-4-12D | 0K6Z0 | SATURN FASTENERS INC | | JSFB38-4-12D | 0UCY9 | M.S. AEROSPACE INC. | | JSFB38-4-12D | 1EM77 | B & B SPECIALTIES INC | | JSFB38-4-12D | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | JSFB38-4-12D | 27624 | SPS TECHNOLOGIES LLC | | JSFB38-4-12D | 58794 | FASTENER TECHNOLOGY CORP | | JSFB38-4-12D | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | JSFB38-4-12D | 80539 | SPS TECHNOLOGIES, LLC | | JSFB38-4-12D | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| BEARING SURFACE OF HEAD SURFACE FINISH | 32.0 MICROINCHES | | FASTENER LENGTH | 1.16 INCHES MINIMUM AND 1.19 INCHES MAXIMUM | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | TORX | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,HEX HEAD,NICKEL ALLOY 718 | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.2500 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5962 OR AMS5662 NATIONAL SPEC SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | NICKEL ALLOY 718 | | SCREW SURFACE TREATMENT | PASSIVATE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700 NATIONAL SPEC SINGLE TREATMENT RESPONSE | | SHANK SURFACE FINISH | 32.0 MICROINCHES | | SPECIAL FEATURES | DRILLED HOLE THRU THREADS;HOLE IS 0.076 INCHES MIN/0.086 INCHES MAX DIAMETER AND IS 0.178 INCHES FROM HOLE CENTER TO END OF THREADS | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.425 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SURFACE FINISH | 32.0 MICROINCHES | | THREAD SERIES DESIGNATOR | UNJF |
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