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National Stock Number:
5305-01-479-5515
Federal Supply Class:
5305
National Item Identification Number:
014795515
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:
| 13230E6669-5A | 97403 | CECOM LR CENTER |
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Techincal Specification:
| FASTENER LENGTH | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.177 INCHES MINIMUM AND 0.188 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHOULDER DIAMETER | 0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | HEAD: PLAIN OR KNURLED IS ACCEPTABLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTMB633,TYPE1 ASSN STD 1ST TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 24 |
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