PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

668J936-8Gasket,spiral Wound

Northrop Grumman Systems Corporation Div Marine Systems · NSN 5330-00-803-1408 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-803-1408 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-803-1408. Primary manufacturer part number: 668J936-8.
Features
  • Gasket,spiral Wound — FSC 5330
  • Style Designator: CIRCULAR
  • Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
  • Material: ASBESTOS AND STEEL COMP 304 OVERALL
  • Outside Diameter: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
  • Aperture Diameter: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
  • Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Asbestos and Steel Comp 304 Overall construction
General Description

The Gasket,spiral Wound, cataloged under National Stock Number 5330-00-803-1408, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 7 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
NSN5330-00-803-1408
Primary Part Number668J936-8
Item NameGasket,spiral Wound
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusCANCELLED
Style DesignatorCIRCULAR
Cross-Sectional Shape StyleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
MaterialASBESTOS AND STEEL COMP 304 OVERALL
Outside Diameter1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
Cross-Sectional Thickness0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
Aperture Diameter1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
Material Document and ClassificationFED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5821-00-505-1720R445ARN30 INTERCHANGEABLE
Receiver,radio
Joint Electronics Type Designation System
Cross-Reference Index
Part NumberManufacturer
R1-3B Flexitallic Gasket Co Inc (USA)
897-600-4 1-2IN Zf Industrieantriebe Witten Gmbh (DEU)
668J936 PIECE 8 Northrop Grumman Systems Corporation Div Marine Systems (USA)
668J936-8 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
R1-3B PRIMARY Flexitallic Us, Llc (USA)
Related Parts
5821-00-505-1720INTERCHANGEABLE
RECEIVER,RADIO
R445ARN30

Frequently Asked Questions

What is NSN 5330-00-803-1408?

NSN 5330-00-803-1408 is a Gasket,spiral Wound, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-803-1408?

NSN 5330-00-803-1408 has 5 cross-referenced part numbers: R1-3B (Flexitallic Gasket Co Inc), 897-600-4 1-2IN (Zf Industrieantriebe Witten Gmbh), 668J936 PIECE 8 (Northrop Grumman Systems Corporation Div Marine Systems), 668J936-8 (Northrop Grumman Systems Corporation Div Marine Systems), R1-3B (Flexitallic Us, Llc).

What NSN replaces 5330-00-803-1408?

There is 1 known substitute for 5330-00-803-1408: 5821-00-505-1720. Verify interchangeability with system specifications before substitution.

What are the specifications of 668J936-8?

Key specifications for 668J936-8: Style Designator: CIRCULAR; Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER; Material: ASBESTOS AND STEEL COMP 304 OVERALL; Outside Diameter: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-803-1408 still in active supply?

NSN 5330-00-803-1408 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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