PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4074882Support,seal,aircraft Gas Turbin

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-01-308-3677 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-308-3677 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-308-3677. Primary manufacturer part number: 4074882.
Features
  • Support,seal,aircraft Gas Turbin — FSC 2840
  • Inside Diameter: 7.040 INCHES MINIMUM AND 7.050 INCHES MAXIMUM IN
  • Material: STEEL
  • Mounting Hole Quantity: 37
  • Outside Diameter: 13.900 INCHES MINIMUM AND 13.920 INCHES MAXIMUM IN
  • Criticality Code Justification: AGAV
  • Mounting Hole Diameter: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel construction
General Description

The Support,seal,aircraft Gas Turbin, cataloged under National Stock Number 2840-01-308-3677, 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. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-01-308-3677
Primary Part Number4074882
Item NameSupport,seal,aircraft Gas Turbin
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Inside Diameter7.040 INCHES MINIMUM AND 7.050 INCHES MAXIMUM IN
MaterialSTEEL
Mounting Hole Quantity37
Outside Diameter13.900 INCHES MINIMUM AND 13.920 INCHES MAXIMUM IN
Criticality Code JustificationAGAV
Mounting Hole Diameter0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5995-01-147-1000590012 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden, Inc.
Cross-Reference Index
Part NumberManufacturer
4074882 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5995-01-147-1000INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
590012

Frequently Asked Questions

What is NSN 2840-01-308-3677?

NSN 2840-01-308-3677 is a Support,seal,aircraft Gas Turbin, 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 2840-01-308-3677?

NSN 2840-01-308-3677 has 1 cross-referenced part number: 4074882 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-01-308-3677?

There is 1 known substitute for 2840-01-308-3677: 5995-01-147-1000. Verify interchangeability with system specifications before substitution.

What are the specifications of 4074882?

Key specifications for 4074882: Inside Diameter: 7.040 INCHES MINIMUM AND 7.050 INCHES MAXIMUM IN; Material: STEEL; Mounting Hole Quantity: 37; End Item Identification: ACFT ENG F100. 8 total characteristics are documented in the Federal Logistics Information System.

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