PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9831Seal,air,aircraft Gas Turbine En

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-01-399-1311 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-399-1311 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-399-1311. Primary manufacturer part number: 9831.
Features
  • Seal,air,aircraft Gas Turbine En — FSC 2840
  • 2 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-399-1311, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal,air,aircraft Gas Turbine En
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersEaton Corporation Div Fed (CAGE 15284); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)
Technical Specifications
ParameterValue
NSN2840-01-399-1311
Primary Part Number9831
Item NameSeal,air,aircraft Gas Turbine En
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2990-00-234-423505143347 INTERCHANGEABLE
Muffler,exhaust
Rolls-Royce Solutions America Inc
5998-00-719-7237SM-C-500675 INTERCHANGEABLE
Circuit Card Assembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1730-01-026-4123983-1 INTERCHANGEABLE
Maintenance Platform,aircraft
R.e. Atckison Co., Inc.
6145-01-264-33182469AT4M/TAP INTERCHANGEABLE
Cable,special Purpose,electrical
Tappan Wire and Cable Inc
4820-01-340-52096188-95 ITEM 5 INTERCHANGEABLE
Seat,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
5331-01-358-65759831 INTERCHANGEABLE
O-Ring
Leroi International Inc Dba Compair Leroi
6145-01-501-39059831 INTERCHANGEABLE
Cable,electrical
Belden Wire and Cable Co Wire and Cable Office
Cross-Reference Index
Part NumberManufacturer
9831 Eaton Corporation Div Fed (USA)
9831 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
2990-00-234-4235INTERCHANGEABLE
MUFFLER,EXHAUST
05143347
5998-00-719-7237INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
SM-C-500675
1730-01-026-4123INTERCHANGEABLE
MAINTENANCE PLATFORM,AIRCRAFT
983-1
6145-01-264-3318INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
2469AT4M/TAP
4820-01-340-5209INTERCHANGEABLE
SEAT,VALVE
6188-95 ITEM 5
5331-01-358-6575INTERCHANGEABLE
O-RING
9831
6145-01-501-3905INTERCHANGEABLE
CABLE,ELECTRICAL
9831

Frequently Asked Questions

What is NSN 2840-01-399-1311?

NSN 2840-01-399-1311 is a Seal,air,aircraft Gas Turbine En, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-01-399-1311?

NSN 2840-01-399-1311 has 2 cross-referenced part numbers: 9831 (Eaton Corporation Div Fed), 9831 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-01-399-1311?

There are 7 known substitutes for 2840-01-399-1311: 2990-00-234-4235, 5998-00-719-7237, 1730-01-026-4123 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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