NSN 5310-00-209-1688

Part Details | RECESSED WASHER

5310-00-209-1688 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Alternate Parts: 7R412D, 7R4-12D, 5310-00-209-1688, 00-209-1688, 5310002091688, 002091688

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-209-168815933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-209-1688
Part Number Cage Code Manufacturer
7R4-12D43999BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5310-00-209-1688
Characteristic Specifications
STYLE DESIGNATOR6 SPRING TENSION
HOLE DIAMETER0.962 INCHES MINIMUM AND 0.965 INCHES MAXIMUM
OUTSIDE DIAMETER1.237 INCHES MINIMUM AND 1.240 INCHES MAXIMUM
OVERALL HEIGHT0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
RECESS DEPTH0.104 INCHES MINIMUM AND 0.109 INCHES MAXIMUM
MATERIAL THICKNESS0.0735 INCHES NOMINAL