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National Stock Number:
5305-01-352-8464
Federal Supply Class:
5305
National Item Identification Number:
013528464
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:
| 12705E.16C-36B | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| COLOR | BLACK FASTENER | | FASTENER LENGTH | 3.250 INCHES NOMINAL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM FASTENER | | HEAD HEIGHT | 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | HEAD DIAMETER | 1.287 INCHES MINIMUM AND 1.312 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | STRIP THREADS | | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURESTEEL FASTENER | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | SHOULDER LENGTH | 2.250 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.997 INCHES MINIMUM AND 0.998 INCHES MAXIMUM FIRST SHOULDER | | WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL | | SURFACE TREATMENT | OXIDE FASTENER | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNRC | | THREAD QUANTITY PER INCH | 10 |
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