PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1JH7319-76Gasket,spiral Wound

Northrop Grumman Systems Corporation Div Marine Systems · NSN 5330-00-839-9959 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-839-9959 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-839-9959. Primary manufacturer part number: 1JH7319-76.
Features
  • Gasket,spiral Wound — FSC 5330
  • Material: ASBESTOS AND STEEL OVERALL
  • Aperture Diameter: 11.250 INCHES NOMINAL11.250 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
  • Outside Diameter: 12.750 INCHES NOMINAL12.750 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 1 TYPE
  • Style Designator: CIRCULAR
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Asbestos and Steel Overall construction
General Description

The Gasket,spiral Wound, cataloged under National Stock Number 5330-00-839-9959, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-839-9959
Primary Part Number1JH7319-76
Item NameGasket,spiral Wound
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
MaterialASBESTOS AND STEEL OVERALL
Aperture Diameter11.250 INCHES NOMINAL11.250 INCHES NOMINAL IN
Cross-Sectional Shape StyleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
Outside Diameter12.750 INCHES NOMINAL12.750 INCHES NOMINAL IN
Cross-Sectional Thickness0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE
Style DesignatorCIRCULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-064-3366 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-809-19983574-0-62 INTERCHANGEABLE
Gasket,spiral Wound
Velan Valve Corp.
5330-00-889-1890N4758151 INTERCHANGEABLE
Gasket,spiral Wound
Leslie Controls, Inc. Dba Leslie Controls Inc
5330-00-892-4249 INTERCHANGEABLE
Gasket,spiral Wound
5330-00-892-4250N47894 INTERCHANGEABLE
Gasket,spiral Wound
Leslie Controls, Inc. Dba Leslie Controls Inc
5330-00-892-425147895 INTERCHANGEABLE
Gasket,spiral Wound
Leslie Controls, Inc. Dba Leslie Controls Inc
5330-00-892-4252N47972 INTERCHANGEABLE
Gasket,spiral Wound
Leslie Controls, Inc. Dba Leslie Controls Inc
5330-00-958-024532677 INTERCHANGEABLE
Gasket,spiral Wound
Leslie Controls, Inc. Dba Leslie Controls Inc
5330-00-989-69132647-51-97 INTERCHANGEABLE
Gasket,spiral Wound
Velan Valve Corp.
Cross-Reference Index
Part NumberManufacturer
1JH7319-76 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
MILG21032TYPE1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
R1-R3-15R Flexitallic Gasket Co Inc (USA)
1JH7319PC76 Westinghouse Electric Corp (USA)
Related Parts
5330-00-064-3366INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-809-1998INTERCHANGEABLE
GASKET,SPIRAL WOUND
3574-0-62
5330-00-889-1890INTERCHANGEABLE
GASKET,SPIRAL WOUND
N4758151
5330-00-892-4249INTERCHANGEABLE
GASKET,SPIRAL WOUND
5330-00-892-4250INTERCHANGEABLE
GASKET,SPIRAL WOUND
N47894
5330-00-892-4251INTERCHANGEABLE
GASKET,SPIRAL WOUND
47895
5330-00-892-4252INTERCHANGEABLE
GASKET,SPIRAL WOUND
N47972
5330-00-958-0245INTERCHANGEABLE
GASKET,SPIRAL WOUND
32677
5330-00-989-6913INTERCHANGEABLE
GASKET,SPIRAL WOUND
2647-51-97

Frequently Asked Questions

What is NSN 5330-00-839-9959?

NSN 5330-00-839-9959 is a Gasket,spiral Wound, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-839-9959?

NSN 5330-00-839-9959 has 4 cross-referenced part numbers: 1JH7319-76 (Northrop Grumman Systems Corporation Div Marine Systems), MILG21032TYPE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), R1-R3-15R (Flexitallic Gasket Co Inc), 1JH7319PC76 (Westinghouse Electric Corp).

What NSN replaces 5330-00-839-9959?

There are 9 known substitutes for 5330-00-839-9959: 5330-00-064-3366, 5330-00-809-1998, 5330-00-889-1890 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1JH7319-76?

Key specifications for 1JH7319-76: Material: ASBESTOS AND STEEL OVERALL; Aperture Diameter: 11.250 INCHES NOMINAL11.250 INCHES NOMINAL IN; Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER; Outside Diameter: 12.750 INCHES NOMINAL12.750 INCHES NOMINAL IN. 7 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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