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National Stock Number:
5305-01-064-5479
Federal Supply Class:
5305
National Item Identification Number:
010645479
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:
| 003-009277-025 | 26916 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 4415 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | 44D15 | 29964 | ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO | | 5498251-1 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 581R439H12 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 878131-00 | 32345 | DEFENSE REDUCTION AGENCY | | 9X25-0604 | 59076 | DESIGNATRONICS INC STOCK DRIVE PRODUCTS DIV | | A005508-007 | 94697 | MOOG INC | | L320002988 | 36090 | LOCKHEED MARTIN LIBRASCOPE CORP | | PZ-6-3 | 29440 | W. M. BERG INC | | SCB312-12 | 04729 | UNICORP. |
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Techincal Specification:
| FASTENER LENGTH | 0.314 INCHES MINIMUM AND 0.316 INCHES MAXIMUM | | HEAD DIAMETER | 0.312 INCHES NOMINAL | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM FIRST SHOULDER | | WIDTH ACROSS FLATS | 0.094 INCHES NOMINAL | | THREAD LENGTH | 0.188 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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