PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40989Gasket

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5330-00-303-9376 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-303-9376 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-303-9376. Primary manufacturer part number: 40989.
Features
  • Gasket — FSC 5330
  • FSC Application Data: ENGINE,ACFT,RECIPROCATING
  • Material: ASBESTOS AND COPPER OVERALL
  • Style Designator: CIRCULAR
  • Outside Diameter: 1.266 INCHES NOMINAL IN
  • Aperture Diameter: 1.000 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.078 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: METAL WITH SOFT FILLER
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Asbestos and Copper Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-303-9376, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-303-9376
Primary Part Number40989
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
FSC Application DataENGINE,ACFT,RECIPROCATING
MaterialASBESTOS AND COPPER OVERALL
Style DesignatorCIRCULAR
Outside Diameter1.266 INCHES NOMINAL IN
Aperture Diameter1.000 INCHES NOMINAL IN
Cross-Sectional Thickness0.078 INCHES NOMINAL IN
Cross-Sectional Shape StyleMETAL WITH SOFT FILLER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2920-00-088-4766 INTERCHANGEABLE
Relay-Solenoid,engine Starter,el
9540-00-395-6411 INTERCHANGEABLE
Structural Section,special Shape
2530-00-483-074540989 INTERCHANGEABLE
Chamber,air Brake
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
1620-00-690-20554098-9 INTERCHANGEABLE
Damper Assy,steerin
Goodrich Corporation
5940-01-193-19084098-9 INTERCHANGEABLE
Post,binding,electrical
Fluke Electronics Corp
Cross-Reference Index
Part NumberManufacturer
40989 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
40989 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
2920-00-088-4766INTERCHANGEABLE
RELAY-SOLENOID,ENGINE STARTER,EL
9540-00-395-6411INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
2530-00-483-0745INTERCHANGEABLE
CHAMBER,AIR BRAKE
40989
1620-00-690-2055INTERCHANGEABLE
DAMPER ASSY,STEERIN
4098-9
5940-01-193-1908INTERCHANGEABLE
POST,BINDING,ELECTRICAL
4098-9

Frequently Asked Questions

What is NSN 5330-00-303-9376?

NSN 5330-00-303-9376 is a Gasket, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-303-9376?

NSN 5330-00-303-9376 has 2 cross-referenced part numbers: 40989 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 40989 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5330-00-303-9376?

There are 5 known substitutes for 5330-00-303-9376: 2920-00-088-4766, 9540-00-395-6411, 2530-00-483-0745 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40989?

Key specifications for 40989: FSC Application Data: ENGINE,ACFT,RECIPROCATING; Material: ASBESTOS AND COPPER OVERALL; Style Designator: CIRCULAR; Outside Diameter: 1.266 INCHES NOMINAL IN. 7 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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