PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

504258Gasket

Turbo Power & Marine System Inc Sub of United Technologies Corp · NSN 5330-00-939-3431 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-939-3431 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-939-3431. Primary manufacturer part number: 504258.
Features
  • Gasket — FSC 5330
  • Bolt Hole Quantity: 6
  • Hole Diameter: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
  • Aperture Diameter: 4.200 INCHES MINIMUM AND 4.220 INCHES MAXIMUM IN
  • Material: ASBESTOS OVERALL
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Bolt Circle Diameter: 5.000 INCHES NOMINAL IN
  • Outside Diameter: 5.880 INCHES MINIMUM AND 5.900 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Asbestos Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-939-3431, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Turbo Power & Marine System Inc Sub of United Technologies Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-939-3431
Primary Part Number504258
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerTurbo Power & Marine System Inc Sub of United Technologies Corp
StatusACTIVE
Bolt Hole Quantity6
Hole Diameter0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
Aperture Diameter4.200 INCHES MINIMUM AND 4.220 INCHES MAXIMUM IN
MaterialASBESTOS OVERALL
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Bolt Circle Diameter5.000 INCHES NOMINAL IN
Outside Diameter5.880 INCHES MINIMUM AND 5.900 INCHES MAXIMUM IN
Cross-Sectional Thickness0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
FSC Application DataGEARBOX,ACFT JET ENGINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5998-00-055-0736504258 INTERCHANGEABLE
Electronic Components Assembly
Cae Usa Inc.
4730-00-289-0051SAE J246 8-6 120202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
504258 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
504258 Crest Good Manufacturing Co Inc (USA)
504258 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
504258 Tokyo Judoi Kogyo K.k. (JPN)
504258 Tokyo Judogi Kogyo Co. (JPN)
Related Parts
5998-00-055-0736INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
504258
4730-00-289-0051INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J246 8-6 120202BA

Frequently Asked Questions

What is NSN 5330-00-939-3431?

NSN 5330-00-939-3431 is a Gasket, manufactured by Turbo Power & Marine System Inc Sub of United Technologies Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-939-3431?

NSN 5330-00-939-3431 has 5 cross-referenced part numbers: 504258 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 504258 (Crest Good Manufacturing Co Inc), 504258 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 504258 (Tokyo Judoi Kogyo K.k.), 504258 (Tokyo Judogi Kogyo Co.).

What NSN replaces 5330-00-939-3431?

There are 2 known substitutes for 5330-00-939-3431: 5998-00-055-0736, 4730-00-289-0051. Verify interchangeability with system specifications before substitution.

What are the specifications of 504258?

Key specifications for 504258: Bolt Hole Quantity: 6; Hole Diameter: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN; Aperture Diameter: 4.200 INCHES MINIMUM AND 4.220 INCHES MAXIMUM IN; Material: ASBESTOS OVERALL. 9 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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