5310-12-161-0248 WASHER,LOCK Index 5325-12-161-0300 RING,RETAINING

National Stock Number:
5310-12-161-0283

Federal Supply Class:
5310

National Item Identification Number:
121610283

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:
10391569A486GNIMIKKEISTOKESKUS NCB FINLAND
6-4DIN125STGALCD8MTCD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
B6,4DIN125-ST-B3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
B6-4DIN125STB3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
B6-4DIN125STGALCD8MTCD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
B6-4DIN125STGALCD8MTCCD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B6,4-140HV-B3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B6,4-ST-B2PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B6,4-ST-B3D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B6,4-ST-B3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B6,4-ST-B3PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
X01010K0967MBDA UK LTD


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING140,0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 250,0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM
HOLE DIAMETER6,4 MILLIMETERS NOMINAL
MATERIALSTEEL
PERIPHERAL SHAPE STYLEROUND
OUTSIDE LEFT CORNER CHAMFER ANGLE45,0 DEGREES NOMINAL
OVERALL DIAMETER12,5 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDIN267/9, SCHLUESSEL B3C
SURFACE TREATMENTCADMIUM AND CHROMATE
TEST DATA DOCUMENTD8286-DIN125 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THICKNESS1,6 MILLIMETERS NOMINAL


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