PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

374404Seal,metallic,aircraft Gas Turbi

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-859-1096 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-859-1096 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-859-1096. Primary manufacturer part number: 374404.
Features
  • Seal,metallic,aircraft Gas Turbi — FSC 2840
  • 8 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,metallic,aircraft Gas Turbi, cataloged under National Stock Number 2840-00-859-1096, 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 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2840-00-859-1096
Primary Part Number374404
Item NameSeal,metallic,aircraft Gas Turbi
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-045-5206H40-0003-004 INTERCHANGEABLE
Washer,flat
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5940-00-237-880211-140Y INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
5365-01-293-6723 INTERCHANGEABLE
Plug,machine Thread
4820-01-423-4327 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
388512 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
355098 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
374404 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
374404 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
434927 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
434927 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
388512 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
355098 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5310-00-045-5206INTERCHANGEABLE
WASHER,FLAT
H40-0003-004
5940-00-237-8802INTERCHANGEABLE
TERMINAL BOARD
11-140Y
5365-01-293-6723INTERCHANGEABLE
PLUG,MACHINE THREAD
4820-01-423-4327INTERCHANGEABLE
VALVE,CHECK

Frequently Asked Questions

What is NSN 2840-00-859-1096?

NSN 2840-00-859-1096 is a Seal,metallic,aircraft Gas Turbi, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2840-00-859-1096?

NSN 2840-00-859-1096 has 8 cross-referenced part numbers: 388512 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 355098 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 374404 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 374404 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 434927 (Turbo Power & Marine System Inc Sub of United Technologies Corp) and 3 more.

What NSN replaces 2840-00-859-1096?

There are 4 known substitutes for 2840-00-859-1096: 5310-00-045-5206, 5940-00-237-8802, 5365-01-293-6723 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 374404?

Key specifications for 374404: End Item Identification: ACFT ENG J-75. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2840-00-859-1096 still in active supply?

NSN 2840-00-859-1096 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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