5310-00-981-3884 WASHER,FINISHING Index 1560-00-981-3887 DOOR,ACCESS,AIRCRAFT

National Stock Number:
5310-00-981-3885

Federal Supply Class:
5310

National Item Identification Number:
009813885

Description:
WASHER,SHOULDERED AND RECESSED

Detail:
A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING, SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers.


Manufacturer Information:
NAS1169DD6L04348LAWRENCE ENGINEERING AND SUPPLY INC
NAS1169DD6L25150DUPLICATE PARTS CO
NAS1169DD6L30889ERIKS SOUTHWEST INC DBA MONTCLAIR ENTERPRISES
NAS1169DD6L60360ALVORD-POLK, INC
NAS1169DD6L80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1169DD6L86928SEASTROM MANUFACTURING CO INC


Techincal Specification:
HEAT TREATMENTF-AS FABRICATED
HOLE DIAMETER0.140 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
OUTSIDE DIAMETER0.470 INCHES MINIMUM AND 0.495 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 TEMPER T3 OR TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.016 INCHES NOMINAL
MATERIALALUMINUM ALLOY 2024 OVERALL
SHOULDER HEIGHT0.060 INCHES NOMINAL
SHOULDER DIAMETER0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM
RECESS ANGLE99.0 DEGREES MINIMUM AND 103.0 DEGREES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1169 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORSHOULDERED AND RECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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