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National Stock Number:
5365-00-840-4640
Federal Supply Class:
5365
National Item Identification Number:
008404640
Description:
SPACER,RING
Detail:
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see GASKET. For items manufactured from lubricated plastics, see BEARING, WASHER, THRUST. For items manufactured from lubricated felt, see FELT, MECHANICAL, PREFORMED. Excludes DISK, VALVE; INSULATOR WASHER; and SHIM. See also SPACER, PLATE and SPACER, SLEEVE.
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Manufacturer Information:
| 8356360 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FEATURES PROVIDED | CASEHARDENED | | INSIDE DIAMETER | 2.384 INCHES MINIMUM AND 2.394 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.820 INCHES MINIMUM AND 2.860 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | SPECIAL FEATURES | DIMENSIONS & TOLERANCES MUST CONFORM TO MIL-STD-8;MUST BE CLEAN AND FREE FROM BURRS;CARBON STEELCOMP1009 THRU 1020;ALT STEEL SAE 1009 THRU SAE 1020;HEAT TREAT:CASE HARDEN ALL OVER PER 8355701,METHOD II,CASE DEPTH .005 TO .025;SPLINE DATA:16/32 PITCH--39 TEETH,3O DEG PRESSURE ANGLE,T.I.D.=2.500,P.D.=2.4375,R.D.=2.529; CHORDAL SPACE WIDTH AT P.L.=.1081- .1181 CUT TO GAGE;SPACER MUST PASS FREELY BETWEEN PARALLEL PLATES SPACED .130 APART BY 2.90 MIN.DEEP |
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