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National Stock Number:
5305-01-181-5031
Federal Supply Class:
5305
National Item Identification Number:
011815031
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:
| CHT4020-3-6AY | 17419 | DEUTSCH CO THE | | CHT4020-3-6AY | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-3-6AY | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-3-6AY | 17446 | HUCK INTERNATIONAL, INC | | HT4020-3-6AY | 56878 | SPS TECHNOLOGIES, LLC | | CHT4020-3-6AY | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-3-6AY | 73197 | HI-SHEAR CORPORATION | | HT4020-3-6AY | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-3-6AY | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-3-6AY | 97928 | HUCK INTL INC | | HT4020-3-6AY | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.380 INCHES MINIMUM AND | | 0.447 INCHES MAXIMUM | | FASTENER LENGTH | 0.765 INCHES MINIMUM AND | | 0.812 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | HEAD DIAMETER | 0.338 INCHES MINIMUM AND | | 0.381 INCHES MAXIMUM | | HEAD HEIGHT | 0.032 INCHES MINIMUM AND | | 0.034 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.218 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | FURNISHED WITH ONE O-RING |
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