5305-01-430-4739 SCREW,SHOULDER Index 5305-01-430-4741 SCREW,ASSEMBLED WASHER

National Stock Number:
5310-01-430-4740

Federal Supply Class:
5310

National Item Identification Number:
014304740

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:
S8157N105-020P06848HONEYWELL INTERNATIONAL INC
S8157N105-020P2N935BOEING DISTRIBUTION SERVICES X, INC.
S8157N105-020P70210HONEYWELL INTERNATIONAL INC.


Techincal Specification:
MATERIALSTEEL COMP 321 OR
STEEL COMP 301 OR
STEEL COMP 302 OR
STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721 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-7720 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.510 INCHES MINIMUM AND
0.520 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.840 INCHES MINIMUM AND
0.860 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.017 INCHES MINIMUM AND
0.023 INCHES MAXIMUM


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