4820-00-012-0928 VALVE AND COUPLING Index 4820-00-012-0931 VALVE AND COUPLING

National Stock Number:
5310-00-012-0930

Federal Supply Class:
5310

National Item Identification Number:
000120930

Description:
WASHER,LOCK

Detail:
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


Manufacturer Information:
12093012204DAIMLER CHRYSLER
12093024617GENERAL MOTORS CORP
4198004-1605869RAYTHEON COMPANY
769746919207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12093031007NAVISTAR INTL CORP
1209307X677GENERAL MOTORS LLC
X2978DR79410LIBERTY VENTURES INTI LLC
MILW6986TYPEB81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND
50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORFLAT EXTERNAL TEETH
HOLE DIAMETER0.384 INCHES MINIMUM AND
0.398 INCHES MAXIMUM
OUTSIDE DIAMETER0.670 INCHES MINIMUM AND
0.694 INCHES MAXIMUM
MATERIAL THICKNESS0.032 INCHES MINIMUM AND
0.040 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMILW6986TYPEB


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