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National Stock Number:
5305-01-256-6878
Federal Supply Class:
5305
National Item Identification Number:
012566878
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:
| 214-060-329-101 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.437 INCHES NOMINAL | | FASTENER LENGTH | 1.500 INCHES NOMINAL | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM | | HEAD STYLE | FILLISTER EXTENDED WASHER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-S-689 COND C4 FED SPEC 1ST MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL OR STEEL COMP 2330 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SHOULDER DIAMETER | 0.187 INCHES MINIMUM FIRST SHOULDER AND 0.189 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.140 INCHES MINIMUM FIRST SHOULDER AND 1.150 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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