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National Stock Number:
5305-00-491-1374
Federal Supply Class:
5305
National Item Identification Number:
004911374
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:
| 7056909-00 | 90536 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM | | HEAD DIAMETER | 0.253 INCHES MINIMUM AND 0.267 INCHES MAXIMUM | | HEAD HEIGHT | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SHOULDER DIAMETER | 0.169 INCHES MINIMUM AND 0.175 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | THIRD SHOULDER 0.169 IN. MIN DIA. BY 0.175 IN. MAX DIA,0.023 IN. MIN BY 0.026 IN. MAX LG | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.260 INCHES MINIMUM AND 0.310 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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