PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66610Gasket

Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division · NSN 5330-01-259-6371 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-259-6371 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-259-6371. Primary manufacturer part number: 66610.
Features
  • Gasket — FSC 5330
  • Material: NICKEL ALLOY X-750 OVERALL
  • Style Designator: CIRCULAR
  • Surface Treatment: LEAD OVERALL
  • Aperture Diameter: 1.306 INCHES MINIMUM IN
  • Outside Diameter: 1.471 INCHES MINIMUM AND 1.480 INCHES MAXIMUM IN
  • Cross-Sectional Thickness: 0.097 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
  • 7 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Nickel Alloy X-750 Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-01-259-6371, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-259-6371
Primary Part Number66610
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division
StatusACTIVE
MaterialNICKEL ALLOY X-750 OVERALL
Style DesignatorCIRCULAR
Surface TreatmentLEAD OVERALL
Aperture Diameter1.306 INCHES MINIMUM IN
Outside Diameter1.471 INCHES MINIMUM AND 1.480 INCHES MAXIMUM IN
Cross-Sectional Thickness0.097 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3120-00-479-182766610 INTERCHANGEABLE
Bearing,sleeve
Textron Lycoming Inc Williamsport Plant
5955-00-499-7342712733-9 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Div Rmd Strategic
4720-00-838-7454 INTERCHANGEABLE
Hose,nonmetallic
4720-00-857-1730 INTERCHANGEABLE
Hose,nonmetallic
5962-01-154-443524-469949 INTERCHANGEABLE
Microcircuit,digital
Analogic Corp Data Precision Div
5330-01-177-30429949 INTERCHANGEABLE
Packing Assortment,preformed
DP Manufacturing Inc.
6515-01-480-77319949 INTERCHANGEABLE
Valve,suction,surgical
Linvatec Corporation Div Linvatec
6105-01-708-39669949 INTERCHANGEABLE
Motor,alternating Current
Oberdorfer Pumps Inc
Cross-Reference Index
Part NumberManufacturer
SM-C-657738-3 Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division (USA)
SM-C-657738-3 Raytheon Company Dba Raytheon (USA)
363009-3 Raytheon Company Dba Raytheon (USA)
66610 PRIMARY Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division (USA)
SM-C-657738-3 Eaton Corporation Div Fed (USA)
SM-C-657738-3 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
9949 PRIMARY Eaton Corporation Div Fed (USA)
Related Parts
3120-00-479-1827INTERCHANGEABLE
BEARING,SLEEVE
66610
5955-00-499-7342INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
712733-9
4720-00-838-7454INTERCHANGEABLE
HOSE,NONMETALLIC
4720-00-857-1730INTERCHANGEABLE
HOSE,NONMETALLIC
5962-01-154-4435INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
24-469949
5330-01-177-3042INTERCHANGEABLE
PACKING ASSORTMENT,PREFORMED
9949
6515-01-480-7731INTERCHANGEABLE
VALVE,SUCTION,SURGICAL
9949
6105-01-708-3966INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
9949

Frequently Asked Questions

What is NSN 5330-01-259-6371?

NSN 5330-01-259-6371 is a Gasket, manufactured by Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-259-6371?

NSN 5330-01-259-6371 has 7 cross-referenced part numbers: SM-C-657738-3 (Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division), SM-C-657738-3 (Raytheon Company Dba Raytheon), 363009-3 (Raytheon Company Dba Raytheon), 66610 (Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division), SM-C-657738-3 (Eaton Corporation Div Fed) and 2 more.

What NSN replaces 5330-01-259-6371?

There are 8 known substitutes for 5330-01-259-6371: 3120-00-479-1827, 5955-00-499-7342, 4720-00-838-7454 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66610?

Key specifications for 66610: Material: NICKEL ALLOY X-750 OVERALL; Style Designator: CIRCULAR; Surface Treatment: LEAD OVERALL; Aperture Diameter: 1.306 INCHES MINIMUM IN. 6 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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