5310-00-098-2778 NUT,PLAIN,PLATE Index 5310-00-098-2781 WASHER,LOCK

National Stock Number:
5310-00-098-2780

Federal Supply Class:
5310

National Item Identification Number:
000982780

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:
14-40129-10JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
14-40129-176823NORTHROP GRUMMAN SYSTEMS CORPORATION
14-40129-179U29NORTHROP GRUMMAN SYSTEMS CORPORATION
4-40129-176823NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
HOLE DIAMETER0.258 INCHES MINIMUM AND 0.261 INCHES MAXIMUM
OUTSIDE DIAMETER0.438 INCHES MINIMUM AND 0.442 INCHES MAXIMUM
MATERIAL THICKNESS0.100 INCHES NOMINAL
MATERIALSTEEL COMP 4340 OVERALL
SPECIAL FEATURESSTYLE VARIES-NO SPLIT IN WASHER/ HEAT TREAT TO 160,000-180,000 PSI PER HT-21/SERRATIONS PER 85Z100-16/ MAGNETIC PARTICLE INSPECT PER PS IT-61/DIA AFTER PLATING 0.439-0.444
STYLE DESIGNATORSERRATED


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