3120-01-271-5820 BUSHING,SLEEVE Index 5365-01-271-5822 SPACER,SLEEVE

National Stock Number:
5365-01-271-5821

Federal Supply Class:
5365

National Item Identification Number:
012715821

Description:
SPACER,PLATE

Detail:
A flat metal or plastic item of various peripheral shapes having a solid (not laminated) cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole having a solid rectangular cross-section use DISK, SOLID, PLAIN. For round or hexagonal items with only one hole centrally located and with the length (thickness) exceeding 25 percent of the outside diameter or distance across peripheral flats, see SPACER, SLEEVE. The thickness between the two parallel bearing surfaces must be 0.006 inch, (0.152 mm) or more for items less than 1/4 inch (6.35 mm) across the peripheral diameter, or smallest overall outside dimension, or must be 0.016 inch (0.406 mm) or more for items 1/4 inch (6.35 mm) or greater across the peripheral diameter or smallest overall outside dimension. For items with a thickness less than those indicated above, see SHIM. For items with one hole centrally located conforming to the above dimensional criteria use WASHER, FLAT or SPACER, RING as applicable. When thickness and/or outside diameter or smallest overall outside dimension is designated as a tolerance/dimension the maximum dimension will be used to determine compliance. Excludes GASKET; INSULATOR (as modified) and MOUNTING PAD, ELECTRICAL-ELECTRONIC COMPONENT.


Manufacturer Information:
1D51111-5010FC43MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS AEROSPACE DEFENSE AND ELECTRONICS SYSTEMS
1D51111-50118355THE BOEING COMPANY
1D51111-50132865DRS NETWORK & IMAGING SYSTEMS LLC


Techincal Specification:
LARGEST BOLT HOLE DIAMETER0.1380 INCHES NOMINAL
LARGEST BOLT HOLE QUANTITY3
OUTSIDE DIAMETER2.9980 INCHES MINIMUM AND 2.9990 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5659 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP XM-12
SMALLEST BOLT HOLE DIAMETER0.3125 INCHES NOMINAL
SMALLEST BOLT HOLE QUANTITY3
SPECIAL FEATURESOFF-CENTERED APERTURE WITH A KEY; SMALLER HOLES ARE 0.138-32 UNJC-3B AND EQUALLY SPACED,LARGER HOLES ARE 0.312-24 UNJF-3B AND EQUALLY SPACED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTCADMIUM AND CHROMATE


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