2840-99-384-0948
Aircraft Gas Turbine Engine Labyrinth Seal Ring
2840993840948 993840948 B517040
An item of single piece metal knife edged construction used to form a tight air seal. It is mounted on a rotating portion of the engine. It may be used in conjunction with other seals to prevent oil seepage. View more Aircraft Gas Turbine Engine Labyrinth Seal Ring
Managed by United Kingdom
NSN Created on 16 May 2012
Data Last Changed
May 2023
May 2023
NATO Update Count
1
1
NATO Data Quality

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B517040 An item of single piece metal knife edged construction used to form a tight air seal.
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Restrictions 2840-99-384-0948
End Users 2840-99-384-0948
- United States of America (ZZ)
Approved Sources 2840-99-384-0948
- Part Number
- Manufacturer
- Status
- B517040
- Manufacturer
- K0378 - Rolls-Royce Plc (Active)
- Primary Buy
- Primary Buy
Weapon Systems (WSDC) 2840-99-384-0948
DLA Procurement Analysis 2840-99-384-0948
NATO Stock Numbers Related to 2840-99-384-0948
2840-14-267-3470 2840-14-284-5647 2840-14-255-8344 2840-14-535-6435 2840-14-439-0998 2840-14-377-6493 2840-14-392-5854 2840-14-230-5266 2840-14-326-2327 2840-14-364-0796 2840-14-313-7165 2840-14-240-4672 2840-14-313-7414 2840-14-230-5178 2840-14-528-0490 2840-00-777-0764 2840-14-399-3293 2840-14-555-2423
Contracting Technical Data File (CTDF) 2840-99-384-0948 October 2021
Criticality and Quality
- Critical Item Code:
- X
- Flight Safety:
- Life Support:
- Certified Samples:
- Serialization:
- First Article Test (FAT):
- Certificate of Quality Compliance:
- Production Lot Testing:
- Special Testing:
- Qualified Products List (QPL):
Commercial Properties
- Government Furnished Material:
- Government Furnished Tooling:
- Government Furnished Property:
- Price Evaluation Code:
- Diminshing Manufacturing Sources:
- Warranty:
- Commerical Off The Shelf (COTS):
- End Item Application:
- Auctioning Candidate:
- Source of Procurement:
- Contract Option:
Restrictions
- Boeing Rights Guard:
- Export Controlled:
- Controlled Technical Data Package (TDP):
- Restricted Technical Data Package (TDP):
- Contains Classified Material
- Weapons System Indicator Code (WSIC):
- L
Packaging Requirements
- Packaging Determination Table:
- Packaging Review Code:
- N
- Special Packaging Instruction Number (SPIN):
- Special Packaging Instruction Number Revision:
- Special Packaging Instruction Number Date:
- Pallet Reference Number Required: