Product Details | AIRCRAFT GAS TURBINE ENGINE AIR SEAL

2840-00-031-6349 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.

Part Alternates: 210991, 210995, 210998, 261158, 384535, 2840-00-031-6349, 00-031-6349, 2840000316349, 000316349

Engines, Turbines, and Components | Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1963 00-031-6349

Cross Reference | NSN 2840-00-031-6349

Part Number Cage Code Manufacturer
210991 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
210995 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
210998 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
261158 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
384535 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 2840-00-031-6349

Characteristic Specifications
MATERIAL GRAPHITE OVERALL
ENGINE SECTION LOCATION COMPRESSOR
OVERALL LENGTH 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATION AGAV
III END ITEM IDENTIFICATION ACFT ENG J57

Restrictions/Controls & Freight Information | NSN 2840-00-031-6349

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Category Code Description
No Freight Information