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National Stock Number:
5305-01-230-5191
Federal Supply Class:
5305
National Item Identification Number:
012305191
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 4-40X.250 | 70276 | ALLEN MFG CO SUB OF CHICAGO PNEUMATIC TOOL CO | | 885C616P3 | 99971 | LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS |
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Techincal Specification:
| FASTENER LENGTH | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM | | HEAD DIAMETER | 0.201 INCHES MINIMUM AND 0.213 INCHES MAXIMUM | | HEAD HEIGHT | 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM | | HEAD STYLE | UNDERCUT PAN NO. 2 | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | WIDTH ACROSS FLATS | 0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.185 INCHES MINIMUM AND 0.265 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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