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National Stock Number:
5305-01-008-5403
Federal Supply Class:
5305
National Item Identification Number:
010085403
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:
| AS185-1 | 84256 | AVIBANK MFG., INC. | | CA27032-3090 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | GB511DB3090 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 4.660 INCHES MINIMUM AND 4.676 INCHES MAXIMUM | | HEAD DIAMETER | 1.855 INCHES MINIMUM AND 1.875 INCHES MAXIMUM | | HEAD HEIGHT | 0.490 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS | | INTERNAL DRIVE STYLE | SLOT | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | SPECIAL FEATURES | RETAINING ELEMENT IN SHANK | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.779 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | WIDTH BETWEEN FLATS | 1.610 INCHES MINIMUM AND 1.625 INCHES MAXIMUM |
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