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National Stock Number:
5305-00-853-3997
Federal Supply Class:
5305
National Item Identification Number:
008533997
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:
| AIC82-4-12 | 06725 | SPS TECHNOLOGIES, LLC | | C082-4-12 | 06725 | SPS TECHNOLOGIES, LLC | | C082-4-12 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | C082-4-12 | 56878 | SPS TECHNOLOGIES, LLC | | C082-4-12 | 80539 | SPS TECHNOLOGIES, LLC | | C082-4-12 | 81755 | LOCKHEED MARTIN CORPORATION | | SFT22-4A12 | 56878 | SPS TECHNOLOGIES, LLC | | SFT22-4A12 | 80539 | SPS TECHNOLOGIES, LLC | | VS2545T4F12 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | C082-4-12 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.043 INCHES NOMINAL | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM | | HEAD DIAMETER | 0.502 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORQUE SET | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS6485 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT | CADMIUM | | SCREW MATERIAL | STEEL COMP H11 | | THREAD CLASS | 3A | | THREAD LENGTH | 0.293 INCHES MINIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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