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National Stock Number:
2840-00-106-8759
Federal Supply Class:
2840
National Item Identification Number:
001068759
Description:
SEAL,AIR,AIRCRAFT GAS TURBINE EN
Detail:
A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an ENGINE, GAS TURBINE, AIRCRAFT. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.
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Manufacturer Information:
| 2840PL0632235 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 9686M44P02 | 07482 | GENERAL ELECTRIC COMPANY | | 9686M44P03 | 07482 | GENERAL ELECTRIC COMPANY | | 9686M44P05 | 07482 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AGAV | | DIAMETER | 13.110 INCHES MINIMUM AND 13.130 INCHES MAXIMUM | | OVERALL LENGTH | 1.260 INCHES MINIMUM AND 1.270 INCHES MAXIMUM | | SPECIAL FEATURES | CID 405365; RUB COATING CHANGE ON THE 4R PRESSURE SEAL; CID REPLACES THE NICKEL-GRAPHITE ADRADABLE MATERIAL WITH SILVER MATERIAL WHICH WILL REDUCE THE NUT TEMP BY 63 PERCENT FOR A RUB AT TAKE-OFF SPEEDS; THIS CHANGE IS BEING INTRODUCED AS A PRODUCT IMPROVEMENT AND TO MAINTAIN COMMONALITY |
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