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National Stock Number:
5365-01-590-2395
Federal Supply Class:
5365
National Item Identification Number:
015902395
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.
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Manufacturer Information:
| L5340309-003 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| APERTURE DIAMETER | 3.720 INCHES MINIMUM AND 3.780 INCHES MAXIMUM | | BOLT CIRCLE DIAMETER | 4.470 INCHES MINIMUM AND 4.530 INCHES MAXIMUM | | BOLT HOLE QUANTITY | 6 | | GASKET CENTER TO FLAT DISTANCE | 2.350 INCHES MINIMUM AND 2.410 INCHES MAXIMUM | | HOLE DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | OUTSIDE DIAMETER | 5.220 INCHES MINIMUM AND 5.280 INCHES MAXIMUM | | OVERALL THICKNESS | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-509 TYPE IV GRADE G-3 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC PHENOLIC AND GLASS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SPACER, THERMAL - EBADS, YF290 | | SPECIAL FEATURES | NHA P/N L5340011; USED ON THE BLEED AIR DISTRIBUTION SYSTEM, STATION YF290.000; T.O. 1B-1B-4-21 FIGURE 10 INDEX 44/1 | | STYLE DESIGNATOR | CIRCULAR W/ONE PERIPHERAL FLAT |
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