Product Details | SPACING THREADED STANDOFF

5307-00-638-0087 A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see STUD (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see NUT (as modified); use maximum dimensions(s) for compliance.

Part Alternates: 006380087

Hardware and Abrasives | Studs

Supply Group (FSG) NSN Assign. NIIN
53 00-638-0087

Drawings & Photos | NSN 5307-00-638-0087


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Technical Data | NSN 5307-00-638-0087

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2017 STANDOFF
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-351 T4 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
STYLE DESIGNATOR 7 FLANGED WITH LEFT INTERNAL THREAD
FLANGE THICKNESS 3.557 INCHES MINIMUM AND 3.567 INCHES MAXIMUM
LENGTH 4.062 INCHES NOMINAL
FLANGE WIDTH ACROSS FLATS 0.500 INCHES NOMINAL
THREAD SERIES DESIGNATOR UNC LEFT INTERNAL UNC RIGHT EXTERNAL
NOMINAL THREAD SIZE 0.312 INCHES LEFT INTERNAL 0.312 INCHES RIGHT EXTERNAL
THREAD QUANTITY PER INCH 18 LEFT INTERNAL 18 RIGHT EXTERNAL
THREAD CLASS 2B LEFT INTERNAL 2A RIGHT EXTERNAL
THREAD DIRECTION RIGHT-HAND RIGHT EXTERNAL
THREAD LENGTH 0.625 INCHES NOMINAL LEFT INTERNAL 0.438 INCHES NOMINAL RIGHT EXTERNAL

Restrictions/Controls & Freight Information | NSN 5307-00-638-0087

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Controlled Inventory Item Code:UUNCLASSIFIED
Category Code Description
No Freight Information