PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23522-0644Gasket

Irl Thermal Systems Ltd · NSN 5330-00-450-0037 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-450-0037 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-450-0037. Primary manufacturer part number: 23522-0644.
Features
  • Gasket — FSC 5330
  • Material: CELLULOSE OVERALL
  • Style Designator: CIRCULAR
  • Outside Diameter: 0.812 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN
  • Aperture Diameter: 0.500 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Cellulose Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-450-0037, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Irl Thermal Systems Ltd. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-450-0037
Primary Part Number23522-0644
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerIrl Thermal Systems Ltd
StatusCANCELLED
MaterialCELLULOSE OVERALL
Style DesignatorCIRCULAR
Outside Diameter0.812 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Cross-Sectional Thickness0.062 INCHES NOMINAL IN
Aperture Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5935-00-017-4648103902 INTERCHANGEABLE
Connector,receptacle,electrical
Astronautics Corporation of America
2910-00-647-072113942 INTERCHANGEABLE
Carburetor,float
Zenith Fuel Systems Llc
5342-01-034-2296 INTERCHANGEABLE
Insert,nylon
5330-01-084-24131039-027800156 INTERCHANGEABLE
Gasket
Babcock & Wilcox Co
6530-01-572-925310-3902 INTERCHANGEABLE
Mat,sterilization
Sklar Corporation Dba Sklar Instruments
Cross-Reference Index
Part NumberManufacturer
103902 Irl Thermal Systems Ltd (GBR)
23522-0644 Zf Industrieantriebe Witten Gmbh (DEU)
23522-0644 PRIMARY Irl Thermal Systems Ltd (GBR)
1009677PC25 Irl Thermal Systems Ltd (GBR)
Related Parts
5935-00-017-4648INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
103902
2910-00-647-0721INTERCHANGEABLE
CARBURETOR,FLOAT
13942
5342-01-034-2296INTERCHANGEABLE
INSERT,NYLON
5330-01-084-2413INTERCHANGEABLE
GASKET
1039-027800156
6530-01-572-9253INTERCHANGEABLE
MAT,STERILIZATION
10-3902

Frequently Asked Questions

What is NSN 5330-00-450-0037?

NSN 5330-00-450-0037 is a Gasket, manufactured by Irl Thermal Systems Ltd, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-450-0037?

NSN 5330-00-450-0037 has 4 cross-referenced part numbers: 103902 (Irl Thermal Systems Ltd), 23522-0644 (Zf Industrieantriebe Witten Gmbh), 23522-0644 (Irl Thermal Systems Ltd), 1009677PC25 (Irl Thermal Systems Ltd).

What NSN replaces 5330-00-450-0037?

There are 5 known substitutes for 5330-00-450-0037: 5935-00-017-4648, 2910-00-647-0721, 5342-01-034-2296 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23522-0644?

Key specifications for 23522-0644: Material: CELLULOSE OVERALL; Style Designator: CIRCULAR; Outside Diameter: 0.812 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-450-0037 still in active supply?

NSN 5330-00-450-0037 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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