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National Stock Number:
5305-01-051-4325
Federal Supply Class:
5305
National Item Identification Number:
010514325
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:
| BACS12GM3-20 | 06725 | SPS TECHNOLOGIES, LLC | | BACS12GM3-20 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACS12GM3-20 | 17446 | HUCK INTERNATIONAL, INC | | BACS12GM3-20 | 17943 | FEDERAL MANUFACTURING CORP | | BACS12GM3-20 | 27624 | SPS TECHNOLOGIES LLC | | BACS12GM3-20 | 56878 | SPS TECHNOLOGIES, LLC | | BACS12GM3-20 | 5M902 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | BACS12GM3-20 | 80539 | SPS TECHNOLOGIES, LLC | | BACS12GM3-20 | 81205 | THE BOEING COMPANY | | BACS12GM3-20 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | HEAD DIAMETER | 0.332 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW MATERIAL | STEEL COMP 4037 OR STEEL COMP 8630 | | SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE | | SPECIAL FEATURES | EXTENDED POINT ON THREADED END 57 TO 63 DEGREES | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 1.046 INCHES MINIMUM AND 1.170 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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