National Item Identification Number
01-139-7204
011397204
5365-01-139-7204
5365011397204
National Stock Number
Item Name
SPACER,RING
Federal Supply Class
5365
Description
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.
Commercial and Government Entity Code (Supplier Data)
51992
UNION MACHINE COMPANY OF LYNN INC
DBA UNION MACHINE COMPANY INC.
6 FEDERAL WAY
GROVELAND
MA
01834
978-521-5100
98839
HANSEN ENGINEERING & MACHINERY CO
MACHINERY CO INC
DANVERS INDUSTRIAL PARK
DANVERS
MA
01923
978-774-6900
99207
Reference Numbers (Part Numbers)
4055T72P01
4055T72P01
4055T72P01
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL COMP 630
AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
CHROMIUM
AMS 2406 A