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National Stock Number:
5305-00-157-8289
Federal Supply Class:
5305
National Item Identification Number:
001578289
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:
| 089-5903-04 | 22373 | HONEYWELL INTERNATIONAL INC. | | 089K-5903-04 | K0668 | LEONARDO UK LTD | | 4-40UNC2A1/4LGANSIB18.6.3 PANHD | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL | | FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM | | HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | NONDEFINITIVE SPEC/STD DATA | 5 TABLE AND 4-40 SIZE AND 1/4IN. LENGTH AND STLS/STL MATERIAL | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | IFI-104 ASSN STD ALL MATERIAL RESPONSES | | SCREW MATERIAL | STEEL COMP 301 OR STEEL COMP 430 | | SCREW SURFACE TREATMENT | PASSIVATE | | SPECIFICATION/STANDARD DATA | 22373-089-5903 MANUFACTURERS SPECIFICATION CONTROL AND 80204-ANSI B18.6.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | SUPPLEMENTARY FEATURES | ARINC-KING PT LIST 006-8024-05,SIMILAR TO NSN 5305-00-054-5647 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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