NSN 5310-00-237-6781

Part Details | LOCK WASHER

5310-00-237-6781 A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Alternate Parts: SMB745222, SM-B-745222, SMB7452222, SMB745222-2, 5310-00-237-6781, 00-237-6781, 5310002376781, 002376781

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 28, 197300-237-678114218 ( WASHER, LOCK )
REFERENCE DRAWINGS & PICTURES

FLAT EXTERNAL AND INTERNAL TEETH

Cross Reference | NSN 5310-00-237-6781
Part Number Cage Code Manufacturer
SM-B-74522280064NAVAL SHIP SYSTEMS COMMAND
SMB745222-280063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5310-00-237-6781
Characteristic Specifications
HARDNESS RATING86.0 ROCKWELL B MINIMUM AND RBC92.0 ROCKWELL B MINIMUM
STYLE DESIGNATOR FLAT EXTERNAL AND INTERNAL TEETH
HOLE DIAMETER0.256 INCHES MINIMUM AND 0.295 INCHES MAXIMUM
OUTSIDE DIAMETER0.670 INCHES MINIMUM AND 0.700 INCHES MAXIMUM
MATERIAL THICKNESS0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM