PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R4-1H NON-ASBESTOSGasket,spiral Wound

Flexitallic Gasket Co Inc · NSN 5330-01-382-9026 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-382-9026 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-382-9026. Primary manufacturer part number: R4-1H NON-ASBESTOS.
Features
  • Gasket,spiral Wound — FSC 5330
  • Environmental Attribute Code: ASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS
  • Material: STEEL AND GRAPHITE OVERALL
  • Outside Diameter: 3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN
  • Aperture Diameter: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
  • Style Designator: CIRCULAR
  • 5 verified cross-references
  • Primary manufacturer: Flexitallic Gasket Co Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel and Graphite Overall construction
General Description

The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-382-9026, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Flexitallic Gasket Co Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-01-382-9026
Primary Part NumberR4-1H NON-ASBESTOS
Item NameGasket,spiral Wound
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFlexitallic Gasket Co Inc
StatusCANCELLED
Environmental Attribute CodeASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS
MaterialSTEEL AND GRAPHITE OVERALL
Outside Diameter3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN
Aperture Diameter3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
Style DesignatorCIRCULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-155-6406B8N INTERCHANGEABLE
Bearing,ball,annular
Bay City Shovels, Inc
Cross-Reference Index
Part NumberManufacturer
R4-1H NON-ASBESTOS Flexitallic Gasket Co Inc (USA)
D900274 2.50IN ITEM 19 Flomega Industries Inc (USA)
2519274 Flomega Industries Inc (USA)
R4-1H Zf Industrieantriebe Witten Gmbh (DEU)
R4-1H NON-ASBESTOS Flexitallic Us, Llc (USA)
Related Parts
3110-00-155-6406INTERCHANGEABLE
BEARING,BALL,ANNULAR
B8N

Frequently Asked Questions

What is NSN 5330-01-382-9026?

NSN 5330-01-382-9026 is a Gasket,spiral Wound, manufactured by Flexitallic Gasket Co Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-01-382-9026?

NSN 5330-01-382-9026 has 5 cross-referenced part numbers: R4-1H NON-ASBESTOS (Flexitallic Gasket Co Inc), D900274 2.50IN ITEM 19 (Flomega Industries Inc), 2519274 (Flomega Industries Inc), R4-1H (Zf Industrieantriebe Witten Gmbh), R4-1H NON-ASBESTOS (Flexitallic Us, Llc).

What NSN replaces 5330-01-382-9026?

There is 1 known substitute for 5330-01-382-9026: 3110-00-155-6406. Verify interchangeability with system specifications before substitution.

What are the specifications of R4-1H NON-ASBESTOS?

Key specifications for R4-1H NON-ASBESTOS: Environmental Attribute Code: ASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS; Material: STEEL AND GRAPHITE OVERALL; Outside Diameter: 3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN; Aperture Diameter: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-01-382-9026 still in active supply?

NSN 5330-01-382-9026 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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