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National Stock Number:
5305-00-690-0602
Federal Supply Class:
5305
National Item Identification Number:
006900602
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:
| 5305006900602 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 5305006900602 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 7793567 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| FASTENER LENGTH | 0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM | | HARDNESS RATING | 65.5 ROCKWELL A MINIMUM AND 68.0 ROCKWELL A MAXIMUM FASTENER | | HARDNESS RATING | 73.0 ROCKWELL A MINIMUM AND 76.0 ROCKWELL A MAXIMUM GRIP | | HARDNESS RATING | 73.0 ROCKWELL A MINIMUM AND 76.0 ROCKWELL A MAXIMUM HEAD | | HEAD DIAMETER | 0.398 INCHES MINIMUM AND 0.410 INCHES MAXIMUM | | HEAD HEIGHT | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | HEAD STYLE | FLUSH | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 8740 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.3295 INCHES MINIMUM AND 0.3300 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.106 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.345 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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