PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

518135Gasket

Sealcraft Corporation · NSN 5330-00-734-6657 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-734-6657 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-734-6657. Primary manufacturer part number: 518135.
Features
  • Gasket — FSC 5330
  • Style Designator: CIRCULAR WITH ONE PERIPHERAL FLAT
  • Material: ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
  • Aperture Diameter: 3.940 INCHES NOMINAL IN
  • Material Document and Classification: MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 6.120 INCHES NOMINAL IN
  • Gasket Center to Flat Distance: 2.750 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Asbestos and Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-734-6657, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sealcraft Corporation. Government technical data includes 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-734-6657
Primary Part Number518135
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSealcraft Corporation
StatusACTIVE
Style DesignatorCIRCULAR WITH ONE PERIPHERAL FLAT
MaterialASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Aperture Diameter3.940 INCHES NOMINAL IN
Material Document and ClassificationMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter6.120 INCHES NOMINAL IN
Gasket Center to Flat Distance2.750 INCHES NOMINAL IN
Cross-Sectional Thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Hole Diameter0.360 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Bolt Hole Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6515-00-518-547551-8135 INTERCHANGEABLE
Tube,tracheostomy
Pilling Surgical Inc Dba Pilling Weck Div Pilling Instruments
Cross-Reference Index
Part NumberManufacturer
518135 PRIMARY Sealcraft Corporation (USA)
7346657 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
6515-00-518-5475INTERCHANGEABLE
TUBE,TRACHEOSTOMY
51-8135

Frequently Asked Questions

What is NSN 5330-00-734-6657?

NSN 5330-00-734-6657 is a Gasket, manufactured by Sealcraft Corporation, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-734-6657?

NSN 5330-00-734-6657 has 2 cross-referenced part numbers: 518135 (Sealcraft Corporation), 7346657 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5330-00-734-6657?

There is 1 known substitute for 5330-00-734-6657: 6515-00-518-5475. Verify interchangeability with system specifications before substitution.

What are the specifications of 518135?

Key specifications for 518135: Style Designator: CIRCULAR WITH ONE PERIPHERAL FLAT; Material: ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL; Aperture Diameter: 3.940 INCHES NOMINAL IN; Material Document and Classification: MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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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