PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25176Seal,air,aircraft Gas Turbine En

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 2840-00-166-0765 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-166-0765 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-166-0765. Primary manufacturer part number: 25176.
Features
  • Seal,air,aircraft Gas Turbine En — FSC 2840
  • 3 verified cross-references
  • Primary manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
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 2840-00-166-0765, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. This item has 3 commercial cross-references from 3 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)
ManufacturersAircraft Supplies (CAGE 12776); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAGE 00198)
Technical Specifications
ParameterValue
NSN2840-00-166-0765
Primary Part Number25176
Item NameSeal,air,aircraft Gas Turbine En
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5331-00-892-194325176 INTERCHANGEABLE
O-Ring
Eaton Corporation Dba Eaton Inoac Div Eaton
4820-01-011-6155232A6TT3 INTERCHANGEABLE
Valve,check
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5365-01-190-451425176 INTERCHANGEABLE
Shim
Moog Inc. Dba Ampac-Isp Corp
4720-01-300-299516MCS-16SF-53.125 INTERCHANGEABLE
Hose Assembly,nonmetallic
Hose Couplings Mfg Inc
7930-01-525-149625176 INTERCHANGEABLE
Cleaning Compound,toilet Bowl
Mcgean-Rohco, Inc Div Cee-Bee Innovative Aviation Chemistry
5995-01-673-829125176 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden, Inc.
3120-01-691-241925176 INTERCHANGEABLE
Bearing,washer,thrust
Tulsa Winch, Inc.
Cross-Reference Index
Part NumberManufacturer
AS25176 Aircraft Supplies (USA)
25176 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
25176 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5331-00-892-1943INTERCHANGEABLE
O-RING
25176
4820-01-011-6155INTERCHANGEABLE
VALVE,CHECK
232A6TT3
5365-01-190-4514INTERCHANGEABLE
SHIM
25176
4720-01-300-2995INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
16MCS-16SF-53.125
7930-01-525-1496INTERCHANGEABLE
CLEANING COMPOUND,TOILET BOWL
25176
5995-01-673-8291INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
25176
3120-01-691-2419INTERCHANGEABLE
BEARING,WASHER,THRUST
25176

Frequently Asked Questions

What is NSN 2840-00-166-0765?

NSN 2840-00-166-0765 is a Seal,air,aircraft Gas Turbine En, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-00-166-0765?

NSN 2840-00-166-0765 has 3 cross-referenced part numbers: AS25176 (Aircraft Supplies), 25176 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 25176 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 2840-00-166-0765?

There are 7 known substitutes for 2840-00-166-0765: 5331-00-892-1943, 4820-01-011-6155, 5365-01-190-4514 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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