5310-01-128-4127 WASHER,FLAT Index 5330-01-128-4129 SEAL,PLAIN ENCASED

National Stock Number:
5310-01-128-4128

Federal Supply Class:
5310

National Item Identification Number:
011284128

Description:
WASHER,FINISHING

Detail:
A WASHER OR CONE OR DISK SHAPE WITH A CENTRALLY LOCATED HOLE, DESIGNED TO ACCOMMODATE A FLAT OR OVAL HEAD SCREW AND PROVIDE ADDITIONAL BEARING AREA ON THE MATERIAL BEING FASTENED. IT MAY OR MAY NOT HAVE A FLUSH FLANGE FEATURE.


Manufacturer Information:
BACW10U-C416P81205THE BOEING COMPANY


Techincal Specification:
HOLE DIAMETER0.261 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
OUTSIDE DIAMETER0.763 INCHES MINIMUM AND 0.793 INCHES MAXIMUM
OVERALL HEIGHT0.121 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 6TH MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 7TH MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
RECESS ANGLE99.0 DEGREES MINIMUM AND 103.0 DEGREES MAXIMUM
RECESS DIAMETER0.507 INCHES MINIMUM AND 0.527 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA81205-BACW10U MANUFACTURERS STANDARD
STYLE DESIGNATORFINISHING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL


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