5310-01-509-9071, WASHER,FLAT

4730-01-509-9070 FLANGE,PIPE,SWIVEL RETAINING

National Stock Number:
5310-01-509-9071

Federal Supply Class:
5310

National Item Identification Number:
015099071

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:

NAS1401-4C3G

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CRITICALITY CODE JUSTIFICATION	AGAV
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR AMS5510 ASSN STD 2ND MATERIAL RESPONSE OR AMS5512 ASSN STD 3RD MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 301 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
PERIPHERAL SHAPE STYLE	SQUARE
SPECIAL FEATURES	PRIMER - MIL-PRF-85582, TYPE 1, CLASS 1A OR 1B; 2 COATS OF PRIMER; PARTS MANUFACTURED FROM SHEET OR PLATE MAY BE CHAMFERED IN LIEU OF RADIUS
SPECIFICATION/STANDARD DATA	70205-NAS1401 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS	0.510 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
SURFACE TREATMENT	PASSIVATE AND PRIMER OVERALL
THICKNESS	0.090 INCHES NOMINAL

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