PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BA3980Gasket

Stillman Seal Corporation Div Stillman Seal Corperation · NSN 5330-00-891-9366 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-891-9366 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-891-9366. Primary manufacturer part number: BA3980.
Features
  • Gasket — FSC 5330
  • Bolt Circle Diameter: 2.875 INCHES NOMINAL IN
  • Temp Rating: -65.0 CELSIUS AND 350.0 CELSIUS DEGC
  • Maximum Pressure Rating: 180.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Hole Diameter: 0.193 INCHES MINIMUM AND 0.201 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
  • Surface Treatment: ANODIZE OVERALL
  • Aperture Diameter: 2.560 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.091 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Aluminum Alloy 6061 and Rubber Fluorosilicone Class Fq Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-891-9366, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stillman Seal Corporation Div Stillman Seal Corperation. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-891-9366
Primary Part NumberBA3980
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerStillman Seal Corporation Div Stillman Seal Corperation
StatusACTIVE
Bolt Circle Diameter2.875 INCHES NOMINAL IN
Temp Rating-65.0 CELSIUS AND 350.0 CELSIUS DEGC
Maximum Pressure Rating180.0 POUNDS PER SQUARE INCH (PSI) LBS
Hole Diameter0.193 INCHES MINIMUM AND 0.201 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
Surface TreatmentANODIZE OVERALL
Aperture Diameter2.560 INCHES NOMINAL IN
Cross-Sectional Thickness0.091 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
MaterialALUMINUM ALLOY 6061 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL
Material Document and ClassificationQQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-25988 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleMETAL AND SYNTHETIC RUBBER
Outside Diameter3.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-158-9277 INTERCHANGEABLE
Reactor
6210-00-299-613151-0914-0431-301 INTERCHANGEABLE
Light,indicator
Dialight Corporation
9540-00-596-3123 INTERCHANGEABLE
Beam,structural
5950-00-648-45121654738 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
9540-00-720-13291277788 INTERCHANGEABLE
Beam,structural
The Boeing Company
5975-01-097-4704 INTERCHANGEABLE
Panel,blank
6680-01-113-802940182 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5950-01-253-0117654250-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5310-01-288-8317 INTERCHANGEABLE
Nut,plain,hexagon
5935-01-296-87029G1947 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
BA3980 PRIMARY Stillman Seal Corporation Div Stillman Seal Corperation (USA)
C474-1 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
40182 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
Related Parts
5950-00-158-9277INTERCHANGEABLE
REACTOR
6210-00-299-6131INTERCHANGEABLE
LIGHT,INDICATOR
51-0914-0431-301
9540-00-596-3123INTERCHANGEABLE
BEAM,STRUCTURAL
5950-00-648-4512INTERCHANGEABLE
TRANSFORMER,POWER
1654738
9540-00-720-1329INTERCHANGEABLE
BEAM,STRUCTURAL
1277788
5975-01-097-4704INTERCHANGEABLE
PANEL,BLANK
6680-01-113-8029INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
40182
5950-01-253-0117INTERCHANGEABLE
REACTOR
654250-1
5310-01-288-8317INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5935-01-296-8702INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
9G1947
3455-01-361-3099INTERCHANGEABLE
CUTTER,MILLING,END
40182
6515-01-451-1336INTERCHANGEABLE
SCREW,BONE
401-82

Frequently Asked Questions

What is NSN 5330-00-891-9366?

NSN 5330-00-891-9366 is a Gasket, manufactured by Stillman Seal Corporation Div Stillman Seal Corperation, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-891-9366?

NSN 5330-00-891-9366 has 3 cross-referenced part numbers: BA3980 (Stillman Seal Corporation Div Stillman Seal Corperation), C474-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 40182 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).

What NSN replaces 5330-00-891-9366?

There are 12 known substitutes for 5330-00-891-9366: 5950-00-158-9277, 6210-00-299-6131, 9540-00-596-3123 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BA3980?

Key specifications for BA3980: Bolt Circle Diameter: 2.875 INCHES NOMINAL IN; Temp Rating: -65.0 CELSIUS AND 350.0 CELSIUS DEGC; Maximum Pressure Rating: 180.0 POUNDS PER SQUARE INCH (PSI) LBS; Hole Diameter: 0.193 INCHES MINIMUM AND 0.201 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED 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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