5310-01-048-2638 WASHER,FLAT Index 5310-01-048-2640 WASHER,RECESSED

National Stock Number:
5310-01-048-2639

Federal Supply Class:
5310

National Item Identification Number:
010482639

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:
004-003005-04726916NORTHROP GRUMMAN SYSTEMS CORPORATION
FF-W-8481348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS35338-16696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM53.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.890 INCHES MINIMUM AND 0.890 INCHES MINIMUM AND 0.912 INCHES MAXIMUM0.912 INCHES MAXIMUM
OUTSIDE DIAMETER1.464 INCHES MAXIMUM1.464 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.219 INCHES MINIMUM0.219 INCHES MINIMUM
MATERIALSTEEL COMP 420 OVERALL
NONDEFINITIVE SPEC/STD DATAB CLASS AND 2 STYLE
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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