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National Stock Number:
5305-01-247-0664
Federal Supply Class:
5305
National Item Identification Number:
012470664
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:
| 4491147PC8-9 | 25685 | NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE | | FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | SS522-4491147PC8-9 | 25685 | NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | FASTENER LENGTH | 1.190 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY R-405 OR | | NICKEL ALLOY 400 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.735 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | HEAD HEIGHT | 0.492 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL | | LOCKING FEATURE | PELLET THREADS | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.500 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.440 INCHES NOMINAL FIRST SHOULDER | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |
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