PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-5959278-027Gasket,spiral Wound

Naval Sea Systems Command · NSN 5330-01-392-3346 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-392-3346 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-392-3346. Primary manufacturer part number: 803-5959278-027.
Features
  • Gasket,spiral Wound — FSC 5330
  • Cross-Sectional Thickness: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
  • Environmental Attribute Code: ASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS
  • Material: STEEL OUTER RING
  • Bearing Surface Width: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
  • Aperture Length: 3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN
  • Aperture Width: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Outer Ring construction
General Description

The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-392-3346, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-01-392-3346
Primary Part Number803-5959278-027
Item NameGasket,spiral Wound
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Cross-Sectional Thickness0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
Environmental Attribute CodeASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS
MaterialSTEEL OUTER RING
Bearing Surface Width0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
Aperture Length3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN
Aperture Width3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
Cross-Sectional Shape StyleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
MaterialGRAPHITE CORE
Style DesignatorDIAMOND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5330-00-186-4091 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-186-4092 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-186-4100 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-285-3464 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-306-1128 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-599-5782 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-862-9391803-5959278 INTERCHANGEABLE
Gasket,spiral Wound
Naval Sea Systems Command
5330-00-872-3991 INTERCHANGEABLE
Gasket,spiral Wound
5330-01-379-5982 INTERCHANGEABLE
Gasket,spiral Wound
5330-01-379-9617 INTERCHANGEABLE
Gasket,spiral Wound
Cross-Reference Index
Part NumberManufacturer
5000S5101F841218 NON-ASBESTOS Naval Ship Systems Command (USA)
803-5959278-027 PRIMARY Naval Sea Systems Command (USA)
MIL-G-15342 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5330-00-186-4091INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-186-4092INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-186-4100INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-285-3464INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-306-1128INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-599-5782INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-862-9391INTERCHANGEABLE
GASKET,SPIRAL WOUND
803-5959278
5330-00-872-3991INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-01-379-5982INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-01-379-9617INTERCHANGEABLE
GASKET,SPIRAL WOUND

Frequently Asked Questions

What is NSN 5330-01-392-3346?

NSN 5330-01-392-3346 is a Gasket,spiral Wound, manufactured by Naval Sea Systems Command, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-01-392-3346?

NSN 5330-01-392-3346 has 3 cross-referenced part numbers: 5000S5101F841218 NON-ASBESTOS (Naval Ship Systems Command), 803-5959278-027 (Naval Sea Systems Command), MIL-G-15342 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5330-01-392-3346?

There are 10 known substitutes for 5330-01-392-3346: 5330-00-186-4091, 5330-00-186-4092, 5330-00-186-4100 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-5959278-027?

Key specifications for 803-5959278-027: Cross-Sectional Thickness: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN; Environmental Attribute Code: ASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS; Special Features: CONTAINS NON-ASBESTOS MATERIALCONTAINS NON-ASBESTOS MATERIAL; Material: STEEL OUTER RING. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-01-392-3346 still in active supply?

NSN 5330-01-392-3346 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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