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National Stock Number:
5305-01-024-4751
Federal Supply Class:
5305
National Item Identification Number:
010244751
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:
| NAS1221 3E2 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | NAS1221-3E2 | 04348 | LAWRENCE ENGINEERING AND SUPPLY INC | | NAS1221-3E2 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | NAS1221-3E2 | 07851 | NOR-CAL SUPPLY CO | | NAS1221-3E2 | 08938 | AIR INDUSTRIES CO INC | | NAS1221-3E2 | 17446 | HUCK INTERNATIONAL, INC | | NAS1221-3E2 | 30902 | F AND C SALES INC | | NAS1221-3E2 | 56878 | SPS TECHNOLOGIES, LLC | | NAS1221-3E2 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | NAS1221-3E2 | 73197 | HI-SHEAR CORPORATION | | NAS1221-3E2 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS1221-3E2 | 80539 | SPS TECHNOLOGIES, LLC | | NAS1221-3E2 | 97928 | HUCK INTL INC | | NAS1221-3E2 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | P32790 | U1604 | MARTIN-BAKER AIRCRAFT COMPANY LIMITED |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.449 INCHES MINIMUM AND 0.479 INCHES MAXIMUM | | HEAD DIAMETER | 0.344 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | IRON ALLOY 660 | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | PASSIVATE | | SPECIFICATION/STANDARD DATA | 80205-NAS1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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