PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7402186Gasket

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5330-00-740-2186 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-740-2186 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-740-2186. Primary manufacturer part number: 7402186.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Cross-Sectional Thickness: 0.015 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
  • Aperture Diameter: 7.690 INCHES NOMINAL IN
  • First Bolt Circle Diameter: 8.688 INCHES NOMINAL IN
  • Outside Diameter: 11.310 INCHES NOMINAL IN
  • Smallest Bolt Hole Quantity: 8
  • Largest Bolt Hole Diameter: 1.250 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic and Cork Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-740-2186, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5330-00-740-2186
Primary Part Number7402186
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Cross-Sectional Thickness0.015 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
Aperture Diameter7.690 INCHES NOMINAL IN
First Bolt Circle Diameter8.688 INCHES NOMINAL IN
Outside Diameter11.310 INCHES NOMINAL IN
Smallest Bolt Hole Quantity8
Largest Bolt Hole Diameter1.250 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
Second Bolt Circle Diameter9.688 INCHES NOMINAL IN
Material Document and ClassificationMIL-G-6183,TYPE 1,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Largest Bolt Hole Quantity2
MaterialRUBBER SYNTHETIC AND CORK OVERALL
Style DesignatorEQUALLY SPACED BOLT HOLES
Smallest Bolt Hole Diameter0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
7520-01-461-266460101 INTERCHANGEABLE
Pen,ball-Point
Sanford Corp
Cross-Reference Index
Part NumberManufacturer
7402186 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
4-4491 General Motors Corp (USA)
4-4491 General Motors Llc Dba General Motors Llc (USA)
Related Parts
7520-01-461-2664INTERCHANGEABLE
PEN,BALL-POINT
60101

Frequently Asked Questions

What is NSN 5330-00-740-2186?

NSN 5330-00-740-2186 is a Gasket, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-740-2186?

NSN 5330-00-740-2186 has 3 cross-referenced part numbers: 7402186 (U S Army Tank Automotive Command Amsta-Im-Mm), 4-4491 (General Motors Corp), 4-4491 (General Motors Llc Dba General Motors Llc).

What NSN replaces 5330-00-740-2186?

There is 1 known substitute for 5330-00-740-2186: 7520-01-461-2664. Verify interchangeability with system specifications before substitution.

What are the specifications of 7402186?

Key specifications for 7402186: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Cross-Sectional Thickness: 0.015 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN; Aperture Diameter: 7.690 INCHES NOMINAL IN; First Bolt Circle Diameter: 8.688 INCHES NOMINAL IN. 14 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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