Part Number: NAS1605-22

Alternate Part Number:
5305-00-850-5429

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CONDITION:
NS
SCREW,
NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE80205
NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE80205
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.422 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
FASTENER LENGTH1.890 INCHES MINIMUM AND 1.937 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.629 INCHES MINIMUM AND 0.633 INCHES MAXIMUM
SHOULDER DIAMETER0.342 INCHES MINIMUM FIRST SHOULDER AND 0.343 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH1.243 INCHES MINIMUM FIRST SHOULDER AND 1.265 INCHES MAXIMUM FIRST SHOULDER
INTERNAL DRIVE STYLEHIGH-TORQUE
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIALSTEEL COMP E4340 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4037 OVERALL OR STEEL COMP 4130 OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNJF
An externally threaded fastener whose threaded portion is of one nominal diameter, No ( . 6 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 1 ( .19 IN.) (5 mm) nominal diameter. No. 1 ( .19 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 1 ( .19 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.