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National Stock Number:
5305-01-313-9331
Federal Supply Class:
5305
National Item Identification Number:
013139331
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:
| 2R1861-8 | 03481 | BFGOODRICH CO THE AEROSPACE DIV ENGINEERED POLYMER PRODUCTS | | 2R1861-8 | 1FY45 | AERO MECHANICAL FASTENING SYSTEMS INC | | AIC551C-06-399 | 06725 | SPS TECHNOLOGIES, LLC | | BM19069-06-399 | 17446 | HUCK INTERNATIONAL, INC | | GS551C06-399 | 1FY45 | AERO MECHANICAL FASTENING SYSTEMS INC | | BM19069-06-399 | 97928 | HUCK INTL INC | | GS551C06-399 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | PBF1285-06-399 | 27624 | SPS TECHNOLOGIES LLC | | GS551C06-399 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.563 INCHES MINIMUM AND 0.593 INCHES MAXIMUM | | HEAD DIAMETER | 0.223 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD LENGTH | 0.188 INCHES MINIMUM AND 0.248 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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