PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-21027Gasket

Raytheon Company · NSN 5330-00-908-4893 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-908-4893 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-908-4893. Primary manufacturer part number: 8-21027.
Features
  • Gasket — FSC 5330
  • Aperture Diameter: 4.880 INCHES NOMINAL IN
  • Hole Diameter: 0.150 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Bolt Circle Diameter: 5.630 INCHES NOMINAL IN
  • Outside Diameter: 6.380 INCHES NOMINAL IN
  • Hardness Rating: 40.0 SHORE DUROMETER A NOMINAL OVERALL
  • Cross-Sectional Thickness: 0.064 INCHES NOMINAL IN
  • Gage Ring Thickness: 0.032 INCHES NOMINAL IN
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 5330-00-908-4893, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company. Government technical data includes 9 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-908-4893
Primary Part Number8-21027
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRaytheon Company
StatusCANCELLED
Aperture Diameter4.880 INCHES NOMINAL IN
Hole Diameter0.150 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Bolt Circle Diameter5.630 INCHES NOMINAL IN
Outside Diameter6.380 INCHES NOMINAL IN
Hardness Rating40.0 SHORE DUROMETER A NOMINAL OVERALL
Cross-Sectional Thickness0.064 INCHES NOMINAL IN
Gage Ring Thickness0.032 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Material Document and ClassificationMIL-S-6855,GR 40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4810-00-062-58178210B27MO INTERCHANGEABLE
Valve,solenoid
Automatic Switch Company Dba Asco
4730-00-249-39143B6494 INTERCHANGEABLE
Elbow,pipe
Caterpillar Inc Div Caterpillar Defense
3655-00-697-166182-1027 INTERCHANGEABLE
Bar,hanger Vacuum G
Marshall Excelsior Co
5940-00-926-0027 INTERCHANGEABLE
Terminal,feedthru
5998-01-178-2827105412 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
3120-01-299-01508210-27 INTERCHANGEABLE
Bearing,washer,thrust
Aqualung Usa, Inc
Cross-Reference Index
Part NumberManufacturer
8-21027 Bfm Energy Products Corp (USA)
105412 Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana (USA)
105412 Zarkin Machine Co (USA)
8-21027 PRIMARY Raytheon Company (USA)
Related Parts
4810-00-062-5817INTERCHANGEABLE
VALVE,SOLENOID
8210B27MO
4730-00-249-3914INTERCHANGEABLE
ELBOW,PIPE
3B6494
3655-00-697-1661INTERCHANGEABLE
BAR,HANGER VACUUM G
82-1027
5940-00-926-0027INTERCHANGEABLE
TERMINAL,FEEDTHRU
5998-01-178-2827INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
105412
3120-01-299-0150INTERCHANGEABLE
BEARING,WASHER,THRUST
8210-27

Frequently Asked Questions

What is NSN 5330-00-908-4893?

NSN 5330-00-908-4893 is a Gasket, manufactured by Raytheon Company, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-908-4893?

NSN 5330-00-908-4893 has 4 cross-referenced part numbers: 8-21027 (Bfm Energy Products Corp), 105412 (Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana), 105412 (Zarkin Machine Co), 8-21027 (Raytheon Company).

What NSN replaces 5330-00-908-4893?

There are 6 known substitutes for 5330-00-908-4893: 4810-00-062-5817, 4730-00-249-3914, 3655-00-697-1661 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-21027?

Key specifications for 8-21027: Aperture Diameter: 4.880 INCHES NOMINAL IN; Hole Diameter: 0.150 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Bolt Circle Diameter: 5.630 INCHES NOMINAL IN; Outside Diameter: 6.380 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-908-4893 still in active supply?

NSN 5330-00-908-4893 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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