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National Stock Number:
5305-01-625-8987
Federal Supply Class:
5305
National Item Identification Number:
016258987
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:
| NAS1802-08-30 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 1.955 INCHES MINIMUM AND 2.016 INCHES MAXIMUM | | HEAD HEIGHT | 0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | HEAD SURFACE TREATMENT | PASSIVATE | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.1640 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 FED SPEC SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | IRON ALLOY 660 | | SHANK SURFACE TREATMENT | PASSIVATE | | THREAD CLASS | O3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.859 INCHES MINIMUM AND 1.906 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | D32 | | THREAD SERIES DESIGNATOR | UNJC | | SPECIAL FEATURES | UNTHREADED SHANK UNDER HEAD OF 0.032 MIN TO 0.064 MAX | | WIDTH BETWEEN FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
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