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National Stock Number:
5305-00-853-4266
Federal Supply Class:
5305
National Item Identification Number:
008534266
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:
| AS106-3-0420 | 84256 | AVIBANK MFG., INC. | | C434-3-0420 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | VP1077-3-0-420 | 16258 | SPACE-LOK, INC. | | CA2720-3-0420 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | C434-3-0420 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.050 INCHES NOMINAL | | HEAD DIAMETER | 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR AMS 5672 ASSN STD 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 630 OR STEEL CORROSION RESISTING OR STEEL UNS S34723 OVERALL | | NOMINAL THREAD DIAMETER | 0.199 INCHES | | SHOULDER DIAMETER | 0.239 INCHES MINIMUM AND 0.249 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.024 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | RETAINING ELEMENT IN SHANK | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.531 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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