PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

187381Gasket

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5330-00-312-6469 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-312-6469 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-312-6469. Primary manufacturer part number: 187381.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Gasket Center to Flat Distance: 1.062 INCHES NOMINAL IN
  • Bolt Hole Quantity: 6
  • Aperture Diameter: 1.625 INCHES NOMINAL IN
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL
  • Bolt Circle Diameter: 2.125 INCHES NOMINAL IN
  • Style Designator: CIRCULAR WITH ONE PERIPHERAL FLAT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-312-6469, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-312-6469
Primary Part Number187381
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Gasket Center to Flat Distance1.062 INCHES NOMINAL IN
Bolt Hole Quantity6
Aperture Diameter1.625 INCHES NOMINAL IN
Hardness Rating70.0 SHORE DUROMETER A NOMINAL OVERALL
Bolt Circle Diameter2.125 INCHES NOMINAL IN
Style DesignatorCIRCULAR WITH ONE PERIPHERAL FLAT
Outside Diameter2.375 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC OVERALL
Hole Diameter0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Cross-Sectional Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5365-00-472-6194101861 INTERCHANGEABLE
Shim
Suntec Industries Inc Del Dba Suntec
Cross-Reference Index
Part NumberManufacturer
187381 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5365-00-472-6194INTERCHANGEABLE
SHIM
101861

Frequently Asked Questions

What is NSN 5330-00-312-6469?

NSN 5330-00-312-6469 is a Gasket, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-312-6469?

NSN 5330-00-312-6469 has 1 cross-referenced part number: 187381 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5330-00-312-6469?

There is 1 known substitute for 5330-00-312-6469: 5365-00-472-6194. Verify interchangeability with system specifications before substitution.

What are the specifications of 187381?

Key specifications for 187381: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Gasket Center to Flat Distance: 1.062 INCHES NOMINAL IN; Bolt Hole Quantity: 6; Aperture Diameter: 1.625 INCHES NOMINAL IN. 12 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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