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National Stock Number:
5305-01-107-3551
Federal Supply Class:
5305
National Item Identification Number:
011073551
Description:
SCREW,SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 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. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 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. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 120-1089-0401-51L | 83385 | MICRODOT MFG INC GREER-CENTRAL DIV | | 212-0597-00 | 80009 | TEKTRONIX, INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.415 INCHES MINIMUM AND 0.435 INCHES MAXIMUM | | HEAD HEIGHT | 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM | | HEAD DIAMETER | 0.475 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE IA | | MATERIAL | STEEL COMP 1022 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHOULDER DIAMETER | 0.290 INCHES MINIMUM AND 0.305 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | CHROMATE CONVERSION COATING CLEAR TO LIGHT BLUE TINT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A 165 TYPE TS ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.330 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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