4920015029770
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4920-01-502-9770 Specification Set by the OEM (see RNCC code 3)
TF39 acft engine
4.760in.
3.870in.
4.750in.
drawing name heat sink fixture, housing, sump - turbine rear frame, c/oa support assy w/ 3 hand retractable spring plungers (CL-6-Hrp) which fastenthe support assy (1C7257P02) to the sump housing. the heat sink block (1C7257P03) is bolted to the support assy by means of a shoulder bolt (90298A589) .a compression spring assy (1986K14) maintains a force between the support assy and the heat sink block. this forces the heat sink against the outside wall of the sump. matterial steel per sae 1010-1030 surface treatment black oxide per ams 2485 or black phosphate per ams 2481 used on nsn 2840-00-231-2070 p/n 074829698M11G03
fixture is used as a heat sink during weld repair of lube pad and associated tube extension on forward end of the sump housing
serd 6360, dwg in ocalc jedmics
Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM
Identification Item Identification Guide (IIG) and Item Name Code (INC)
Definition Definition of approved item name (AIN): "FIXTURE,ENGINE MAINTENANCE,AIRCR"
A fixture designed to hold/position aircraft engine/engine components to facilitate inspection, maintenance, repair, testing and/or replacement of components.
4920-01-502-9770 Material Hazmat, Precious Metals, Criticality, Enviroment, and ESD
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Item does not contain precious metal.
No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.
Represents items with no adp components
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Identification Codes
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.
