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National Stock Number:
5305-01-479-0026
Federal Supply Class:
5305
National Item Identification Number:
014790026
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:
| 77220-2 | 82340 | L3HARRIS TECHNOLOGIES, INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.1640 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.160 INCHES NOMINAL | | FASTENER LENGTH | 0.562 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.485 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | SHOULDER SHAPE | SQUARE FIRST SHOULDER | | SHOULDER WIDTH ACROSS FLATS | 0.074 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.246 INCHES MINIMUM AND | | 0.249 INCHES MAXIMUM FIRST SHOULDER |
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