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NSN 2840-01-241-7987, 2840012417987
SEAL,AIR,AIRCRAFT GAS TURBINE EN

Federal Supply Classification
FSC 2840 - Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
National Item Identification Number
NIIN 012417987
Codification Country
United States
Item Name Code
INC 50595
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 2840-01-241-7987

National Stock Number (NSN) 2840-01-241-7987, or NIIN 012417987, (seal,air,aircraft gas turbine en) was assigned October 3, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 50595. [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.]. This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2840012417987 does not contain precious metals.

This NSN is associated to Schedule B 8411997050: parts of gas turbine aircraft engines, other than for use in civil aircraft. The Schedule B End Use is listed as engines and turbines for military aircraft. NAICS classification category 336412: aircraft engine and engine parts manufacturing.

This information was last updated on .


Technical Characteristics

III MATERIAL
(MATT) NICKEL ALLOY OVERALL
END ITEM IDENTIFICATION
(AGAV) ACFT.ENG. TF-30
CRITICALITY CODE JUSTIFICATION
(CRTL) AGAV
DIAMETER
(ABMZ) 13.750 INCHES NOMINAL
ENGINE SECTION LOCATION
(CZBJ) COMPRESSOR
OVERALL LENGTH
(ABHP) 0.860 INCHES NOMINAL
MATERIAL
(MATT) NICKEL ALLOY OVERALL
STAGE NUMBER
(CZCJ) 7

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