NSN 5310-00-209-3987

Part Details | LOCK WASHER

5310-00-209-3987 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: 13230E6743116, 13230E6743-116, 13230E6743, FFW100, MS35333116, MS35333-116, 5310-00-209-3987, 00-209-3987, 5310002093987, 002093987

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 29, 196700-209-398714218 ( WASHER, LOCK )
REFERENCE DRAWINGS & PICTURES

FLAT INTERNAL TEETH

Cross Reference | NSN 5310-00-209-3987
Part Number Cage Code Manufacturer
13230E6743-11697403CECOM LR CENTER
13230E674397403CECOM LR CENTER
FFW10081348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS35333-11696906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5310-00-209-3987
Characteristic Specifications
HARDNESS RATING85.0 ROCKWELL B MINIMUM AND RBC95.0 ROCKWELL B MINIMUM
STYLE DESIGNATOR FLAT INTERNAL TEETH
HOLE DIAMETER0.768 INCHES MINIMUM AND 0.795 INCHES MAXIMUM
OUTSIDE DIAMETER1.220 INCHES MINIMUM AND 1.245 INCHES MAXIMUM
MATERIAL THICKNESS0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA3 COMPOSITION AND A GRADE AND 1 STYLE AND 1 TYPE