4920-00-860-1420 FIXTURE,AIRCRAFT MAINTENANCE Index 5305-00-860-1429 SCREW,THRUST

National Stock Number:
5365-00-860-1426

Federal Supply Class:
5365

National Item Identification Number:
008601426

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:
26R8-271286HOWMET GLOBAL FASTENING SYSTEMS INC
55145-001F5442AIRBUS GROUP SAS


Techincal Specification:
APERTURE WIDTH0.323 INCHES MINIMUM AND 0.345 INCHES MAXIMUM
APERTURE LENGTH0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM
HOLE DIAMETER0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM
INSIDE CORNER RADIUS0.161 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 5052
OVERALL LENGTH0.989 INCHES MINIMUM AND 1.011 INCHES MAXIMUM
OVERALL WIDTH0.489 INCHES MINIMUM AND 0.511 INCHES MAXIMUM
STYLE DESIGNATORNON-CIRCULAR W/O RADIUS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE


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