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National Stock Number:
5305-99-127-4283
Federal Supply Class:
5305
National Item Identification Number:
991274283
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:
| V-34-6561-50 | K0668 | LEONARDO UK LTD | | V34-6561/50 | K6961 | G E C SENSORS LTD | | V34-6561/50 | U2248 | SELEX ELSAG LTD |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 7.30 MILLIMETERS MINIMUM AND 7.70 MILLIMETERS MAXIMUM | | HEAD DIAMETER | 5.20 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 2.30 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | BS 970 PART 1 GRADE 303S3 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 3.00 MILLIMETERS | | SHOULDER DIAMETER | 3.478 MILLIMETERS MINIMUM FIRST SHOULDER AND 3.490 MILLIMETERS MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 2.80 MILLIMETERS MINIMUM FIRST SHOULDER AND 3.20 MILLIMETERS MAXIMUM FIRST SHOULDER | | STRENGTH GRADE DESIGNATION | ERR-030 | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.50 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 0.50 |
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