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National Stock Number:
5305-01-303-8027
Federal Supply Class:
5305
National Item Identification Number:
013038027
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:
| 003-009010-001 | 26916 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SHOULDER DIAMETER | 0.140 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.055 INCHES MINIMUM FIRST SHOULDER AND 0.060 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD LENGTH | 0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC | | FASTENER LENGTH | 0.284 INCHES NOMINAL | | HEAD DIAMETER | 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM | | HEAD HEIGHT | 0.060 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
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