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National Stock Number:
5305-00-075-9507
Federal Supply Class:
5305
National Item Identification Number:
000759507
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:
| 581528 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.820 INCHES MINIMUM | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.620 INCHES NOMINAL | | HEAD HEIGHT | 0.180 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.048 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 410 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | SHOULDER DIA. 3RD AND 4TH REPLYS 0.270 IN. NOM.,0.375 IN. NOM,SHOULDER LENGTH 3RD AND 4TH REPLYS 0.115 IN. NOM,0.065 IN. NOM | | WIDTH ACROSS FLATS | 0.190 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.380 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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