PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CA5306Gasket

Stillman Seal Corporation Div Stillman Seal Corperation · NSN 5330-00-930-4843 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-930-4843 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-930-4843. Primary manufacturer part number: CA5306.
Features
  • Gasket — FSC 5330
  • Elongation Percentage: 125 MAXIMUM
  • Bolt Circle Diameter: 3.205 INCHES NOMINAL IN
  • Side Radius From Gasket Center: 1.500 INCHES NOMINAL IN
  • Aperture Diameter: 2.437 INCHES NOMINAL IN
  • Style Designator: NON-CIRCULAR
  • Material: ALUMINUM ALLOY 6061 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL
  • Surface Treatment Document and Classification: MIL-A-8625 TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
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 5330-00-930-4843, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-930-4843
Primary Part NumberCA5306
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerStillman Seal Corporation Div Stillman Seal Corperation
StatusACTIVE
Elongation Percentage125 MAXIMUM
Bolt Circle Diameter3.205 INCHES NOMINAL IN
Side Radius From Gasket Center1.500 INCHES NOMINAL IN
Aperture Diameter2.437 INCHES NOMINAL IN
Style DesignatorNON-CIRCULAR
MaterialALUMINUM ALLOY 6061 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL
Surface Treatment Document and ClassificationMIL-A-8625 TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Outside Corner Radius0.437 INCHES NOMINAL IN
Hole Diameter0.332 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Cross-Sectional Thickness0.130 INCHES NOMINAL IN
Bolt Hole Quantity4
Cross-Sectional Shape StyleMETAL AND SYNTHETIC RUBBER
Surface TreatmentANODIZE OVERALL
Material Document and ClassificationQQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-25988 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
Outside Corner Inverted Radius0.437 INCHES NOMINAL IN
Gage Ring Thickness0.090 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-118-1139 INTERCHANGEABLE
O-Ring
5905-00-333-7677C3638 INTERCHANGEABLE
Resistor,fixed,film
Howell Instruments, Inc. Dba Howell Instruments Inc
5331-00-579-7918 INTERCHANGEABLE
O-Ring
5340-01-043-7109402791 INTERCHANGEABLE
Guide,bellow Shaft
Woodward, Inc. Div Fuel Systems and Controls
5961-01-122-7170402791 INTERCHANGEABLE
Transistor
Aimtron Systems, Llc
Cross-Reference Index
Part NumberManufacturer
CA5306 PRIMARY Stillman Seal Corporation Div Stillman Seal Corperation (USA)
RT40279 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
40279-1 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
C3638 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
5331-00-118-1139INTERCHANGEABLE
O-RING
5905-00-333-7677INTERCHANGEABLE
RESISTOR,FIXED,FILM
C3638
5331-00-579-7918INTERCHANGEABLE
O-RING
5340-01-043-7109INTERCHANGEABLE
GUIDE,BELLOW SHAFT
402791
5961-01-122-7170INTERCHANGEABLE
TRANSISTOR
402791

Frequently Asked Questions

What is NSN 5330-00-930-4843?

NSN 5330-00-930-4843 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 5330-00-930-4843?

NSN 5330-00-930-4843 has 4 cross-referenced part numbers: CA5306 (Stillman Seal Corporation Div Stillman Seal Corperation), RT40279 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), 40279-1 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), C3638 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).

What NSN replaces 5330-00-930-4843?

There are 5 known substitutes for 5330-00-930-4843: 5331-00-118-1139, 5905-00-333-7677, 5331-00-579-7918 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CA5306?

Key specifications for CA5306: Elongation Percentage: 125 MAXIMUM; Bolt Circle Diameter: 3.205 INCHES NOMINAL IN; Side Radius From Gasket Center: 1.500 INCHES NOMINAL IN; Aperture Diameter: 2.437 INCHES NOMINAL IN. 18 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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