5310-01-144-4763 NUT,PLAIN,ROUND Index 5331-01-144-4766 O-RING

National Stock Number:
5310-01-144-4764

Federal Supply Class:
5310

National Item Identification Number:
011444764

Description:
WASHER,FLAT

Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.


Manufacturer Information:
AN960XC141688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
NAS1149C1490B80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
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
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
SURFACE TREATMENTOXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.880 INCHES MINIMUM AND
0.900 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.495 INCHES MINIMUM AND
1.520 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.090 INCHES NOMINAL
COLORBLACK OVERALL


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