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National Stock Number:
5305-00-855-1970
Federal Supply Class:
5305
National Item Identification Number:
008551970
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:
| 6863072 | 73342 | ALLISON TRANSMISSION INC | | 6863072 | K0680 | ROLLS-ROYCE AIRLINES | | BLT1892 | K0680 | ROLLS-ROYCE AIRLINES |
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Techincal Specification:
| DISTANCE FROM CENTERLINE TO FLAT | 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM | | FASTENER LENGTH | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM | | HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | HEAD HEIGHT | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 236000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.870 INCHES | | SHOULDER LENGTH | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER DIAMETER | 0.890 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | UNDERCUT BENEATH HEAD 0.025 IN. RADIUS; DIA IS 0.189 IN.; THE GRIP LENGTH 0.250 IN. TO FULL THREADS | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.813 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNS | | THREAD QUANTITY PER INCH | 32 |
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