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National Stock Number:
5305-01-371-7166
Federal Supply Class:
5305
National Item Identification Number:
013717166
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:
| 41707 | 94882 | JERGENS INC | | 6303509-001 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| COLOR | BLACK FASTENER | | FASTENER LENGTH | 0.752 INCHES MINIMUM AND 0.757 INCHES MAXIMUM | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM FASTENER | | HEAD DIAMETER | 0.562 INCHES NOMINAL | | HEAD HEIGHT | 0.243 INCHES MINIMUM AND 0.248 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | PATCH THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | MATERIAL | PLASTIC POLYAMIDE (NYLON) LOCKING FEATURESTEEL COMP 4140 FASTENER | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SHOULDER DIAMETER | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.257 INCHES MINIMUM AND 0.257 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | SURFACE TREATMENT | OXIDE FASTENER | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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