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National Stock Number:
5305-01-591-7426
Federal Supply Class:
5305
National Item Identification Number:
015917426
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:
| 3000036 | 80212 | BAE SYSTEMS LAND & ARMAMENTS L.P. | | 3000036-031100 | 076M6 | AMZ ALABAMA INC. | | 3000036-031100 | 80212 | BAE SYSTEMS LAND & ARMAMENTS L.P. |
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Techincal Specification:
| FASTENER LENGTH | 1.428 INCHES NOMINAL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.429 INCHES NOMINAL | | HEAD HEIGHT | 0.214 INCHES NOMINAL | | HEAD STYLE | FLAT FILLISTER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, SHOULDER, HEX SOCKET, UNC, STEEL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.310 INCHES NOMINAL OVERALL | | SHOULDER LENGTH | 1.000 INCHES NOMINAL OVERALL | | SHOULDER SHAPE | ROUND OVERALL | | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 3000099, PARAGRAPH 2.0 MFR REF ALL TREATMENT RESPONSES OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.428 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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