NSN 5310-01-321-8611

Part Details | CONCAVE WASHER

5310-01-321-8611 A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also WASHER (1), CONVEX. Excludes WASHER (1), RECESSED and BEARING, WASHER, THRUST.

Alternate Parts: K52207P6, 5310-01-321-8611, 01-321-8611, 5310013218611, 013218611

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 23, 199001-321-861115930 ( WASHER, CONCAVE )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-01-321-8611
Part Number Cage Code Manufacturer
K52207P615653ARCONIC GLOBAL FASTENERS & RINGS,INC.
Technical Data | NSN 5310-01-321-8611
Characteristic Specifications
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER0.531 INCHES MINIMUM AND 0.537 INCHES MAXIMUM
RADIUS0.435 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
OUTSIDE DIAMETER0.780 INCHES MINIMUM AND 0.790 INCHES MAXIMUM
RECESS DEPTH0.099 INCHES NOMINAL
MATERIAL THICKNESS0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM