NSN 5310-00-304-7661

Part Details | RECESSED WASHER

5310-00-304-7661 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: 1284558101, 1284558-101, 5310-00-304-7661, 00-304-7661, 5310003047661, 003047661

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 17, 197300-304-766115933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-304-7661
Part Number Cage Code Manufacturer
1284558-10198897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5310-00-304-7661
Characteristic Specifications
STYLE DESIGNATOR8 SPRING TENSION
HOLE DIAMETER1.400 INCHES NOMINAL
OUTSIDE DIAMETER2.200 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
MATERIAL THICKNESS0.250 INCHES NOMINAL
TOP RECESS DIAMETER1.530 INCHES NOMINAL
BOTTOM RECESS DIAMETER1.530 INCHES NOMINAL
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS ANGLE90.0 DEGREES NOMINAL