PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

217-7432912ITEM21Gasket

Naval Sea Systems Command · NSN 5330-01-503-4204 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-503-4204 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-503-4204. Primary manufacturer part number: 217-7432912ITEM21.
Features
  • Gasket — FSC 5330
  • Outside Diameter: 1.500 INCHES NOMINAL IN
  • Aperture Diameter: 0.406 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN
  • Style Designator: CIRCULAR
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
  • Material Document and Classification: MIL-G-15624, CL III MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-01-503-4204, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-503-4204
Primary Part Number217-7432912ITEM21
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Outside Diameter1.500 INCHES NOMINAL IN
Aperture Diameter0.406 INCHES NOMINAL IN
Cross-Sectional Thickness0.062 INCHES NOMINAL IN
Style DesignatorCIRCULAR
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Material Document and ClassificationMIL-G-15624, CL III MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9320-00-865-167054-70-7806E INTERCHANGEABLE
Rubber Sheet,solid
Electric Boat Corporation Div General Dynamics Electric Boat
9320-00-912-6125 INTERCHANGEABLE
Rubber Sheet,solid
5330-01-282-9358 INTERCHANGEABLE
Gasket
9320-01-334-4941 INTERCHANGEABLE
Rubber Sheet,solid
9320-01-438-4725 INTERCHANGEABLE
Rubber Sheet,solid
9320-01-648-3667 INTERCHANGEABLE
Rubber Sheet,solid
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-15624 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
217-7432912ITEM21 PRIMARY Naval Sea Systems Command (USA)
Related Parts
9320-00-865-1670INTERCHANGEABLE
RUBBER SHEET,SOLID
54-70-7806E
9320-00-912-6125INTERCHANGEABLE
RUBBER SHEET,SOLID
5330-01-282-9358INTERCHANGEABLE
GASKET
9320-01-334-4941INTERCHANGEABLE
RUBBER SHEET,SOLID
9320-01-438-4725INTERCHANGEABLE
RUBBER SHEET,SOLID
9320-01-648-3667INTERCHANGEABLE
RUBBER SHEET,SOLID

Frequently Asked Questions

What is NSN 5330-01-503-4204?

NSN 5330-01-503-4204 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-503-4204?

NSN 5330-01-503-4204 has 2 cross-referenced part numbers: MIL-PRF-15624 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 217-7432912ITEM21 (Naval Sea Systems Command).

What NSN replaces 5330-01-503-4204?

There are 6 known substitutes for 5330-01-503-4204: 9320-00-865-1670, 9320-00-912-6125, 5330-01-282-9358 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 217-7432912ITEM21?

Key specifications for 217-7432912ITEM21: Outside Diameter: 1.500 INCHES NOMINAL IN; Aperture Diameter: 0.406 INCHES NOMINAL IN; Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Style Designator: CIRCULAR. 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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