4730-12-164-7819 TEE,TUBE Index 5310-12-164-7840 WASHER,FLAT

National Stock Number:
5310-12-164-7838

Federal Supply Class:
5310

National Item Identification Number:
121647838

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:
010911D2711GRAMMER AG
024732D2396RHEINMETALL WAFFE MUNITION GMBH
06151200208D3273MAN TRUCK & BUS AG
10DIN1440-ST-A3PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
10DIN1440GALZN8CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
10DIN1440STGALZN8CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
201440010000D8266MTU FRIEDRICHSHAFEN GMBH
303931H0G87WIBA ZEVENAAR B.V.
DIN1440-10-ST-A3PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER20,0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDIN50961, VERFAHREN GALZN8C
SURFACE TREATMENTCHROMATE AND ZINC
TEST DATA DOCUMENTD8286-DIN1440 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THICKNESS2,5 MILLIMETERS NOMINAL
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER10,00 MILLIMETERS MINIMUM AND 10,09 MILLIMETERS MAXIMUM
MATERIALSTEEL


Click here to Register for Free 30-day Trial