PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-5959278Gasket,spiral Wound

Naval Sea Systems Command · NSN 5330-00-862-9391 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-862-9391 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-862-9391. Primary manufacturer part number: 803-5959278.
Features
  • Gasket,spiral Wound — FSC 5330
  • Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLER
  • Aperture Diameter: 3.626 INCHES MINIMUM AND 3.656 INCHES MAXIMUM IN
  • Outside Diameter: 4.173 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.175 INCHES NOMINAL IN
  • 8 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket,spiral Wound, cataloged under National Stock Number 5330-00-862-9391, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-862-9391
Primary Part Number803-5959278
Item NameGasket,spiral Wound
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Cross-Sectional Shape StyleMETAL WINDING W/ SOFT FILLER
Aperture Diameter3.626 INCHES MINIMUM AND 3.656 INCHES MAXIMUM IN
Outside Diameter4.173 INCHES NOMINAL IN
Cross-Sectional Thickness0.175 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-186-4091 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-186-4092 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-186-4100 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-196-6988 INTERCHANGEABLE
Gasket
5330-00-285-3464 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-306-1128 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-599-5782 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-872-3991 INTERCHANGEABLE
Gasket,spiral Wound
5330-01-379-5982 INTERCHANGEABLE
Gasket,spiral Wound
5330-01-392-3346803-5959278-027 INTERCHANGEABLE
Gasket,spiral Wound
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
803-5959278 PRIMARY Naval Sea Systems Command (USA)
34702-9435 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
5N1325PSI Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA)
841218 Naval Sea Systems Command (USA)
MIL-G-15342 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
803-841218 Naval Ship Systems Command (USA)
5N1325PSI Combustion Engineering Inc (USA)
5N-L902 Combustion Engineering Inc (USA)
Related Parts
5330-00-186-4091INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-186-4092INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-186-4100INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-196-6988INTERCHANGEABLE
GASKET
5330-00-285-3464INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-306-1128INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-599-5782INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-872-3991INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-01-379-5982INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-01-392-3346INTERCHANGEABLE
GASKET,SPIRAL WOUND
803-5959278-027
5330-01-394-9917INTERCHANGEABLE
GASKET,SPIRAL WOUND
803-5959278-005

Frequently Asked Questions

What is NSN 5330-00-862-9391?

NSN 5330-00-862-9391 is a Gasket,spiral Wound, manufactured by Naval Sea Systems Command, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-862-9391?

NSN 5330-00-862-9391 has 8 cross-referenced part numbers: 803-5959278 (Naval Sea Systems Command), 34702-9435 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 5N1325PSI (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), 841218 (Naval Sea Systems Command), MIL-G-15342 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5330-00-862-9391?

There are 11 known substitutes for 5330-00-862-9391: 5330-00-186-4091, 5330-00-186-4092, 5330-00-186-4100 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-5959278?

Key specifications for 803-5959278: Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLER; Aperture Diameter: 3.626 INCHES MINIMUM AND 3.656 INCHES MAXIMUM IN; Outside Diameter: 4.173 INCHES NOMINAL IN; Cross-Sectional Thickness: 0.175 INCHES NOMINAL IN. 5 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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