PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

658320Gasket

Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division · NSN 5330-00-965-6951 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-965-6951 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-965-6951. Primary manufacturer part number: 658320.
Features
  • Gasket — FSC 5330
  • Outside Diameter: 4.700 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: ALUMINUM ALLOY 6061 OVERALL
  • Surface Treatment: ANODIZE OVERALL
  • Material Document and Classification: QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Thickness: 0.123 INCHES NOMINAL IN
  • Aperture Diameter: 3.150 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-965-6951, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-965-6951
Primary Part Number658320
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
StatusACTIVE
Outside Diameter4.700 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialALUMINUM ALLOY 6061 OVERALL
Surface TreatmentANODIZE OVERALL
Material Document and ClassificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Thickness0.123 INCHES NOMINAL IN
Aperture Diameter3.150 INCHES NOMINAL IN
Cross-Sectional Shape StyleMETAL AND SYNTHETIC RUBBER
Gage Ring Thickness0.080 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
Style DesignatorCIRCULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2915-00-098-9010 INTERCHANGEABLE
Distributor,engine
4720-00-145-6212P10-5535 INTERCHANGEABLE
Hose,preformed
Donaldson Company, Inc.
2520-00-340-212065A81D947 INTERCHANGEABLE
Cover,gearbox
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5915-00-519-448830707 INTERCHANGEABLE
Filter,radio Frequency Interfere
Raytheon Company Dba Raytheon
6680-00-530-0487403-04 INTERCHANGEABLE
Indicator,sight,liquid
Ernst, John C & Co, Inc.
9540-00-540-594110133-0701 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
5950-00-702-66258912002 INTERCHANGEABLE
Transformer,power
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
5945-00-929-481140304 INTERCHANGEABLE
Relay,electromagnetic
Silver King Refrigeration Inc.
5995-01-083-6567 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5133-01-095-6713 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
C490-1 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
BA5021 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
658320 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA)
40304 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
Related Parts
2915-00-098-9010INTERCHANGEABLE
DISTRIBUTOR,ENGINE
4720-00-145-6212INTERCHANGEABLE
HOSE,PREFORMED
P10-5535
2520-00-340-2120INTERCHANGEABLE
COVER,GEARBOX
65A81D947
5915-00-519-4488INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
30707
6680-00-530-0487INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
403-04
9540-00-540-5941INTERCHANGEABLE
ANGLE,STRUCTURAL
10133-0701
5950-00-702-6625INTERCHANGEABLE
TRANSFORMER,POWER
8912002
5945-00-929-4811INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
40304
5995-01-083-6567INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5133-01-095-6713INTERCHANGEABLE
DRILL,TWIST
5340-01-235-9795INTERCHANGEABLE
HANDWHEEL
40304
5975-01-282-5484INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
4030400

Frequently Asked Questions

What is NSN 5330-00-965-6951?

NSN 5330-00-965-6951 is a Gasket, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-965-6951?

NSN 5330-00-965-6951 has 4 cross-referenced part numbers: C490-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), BA5021 (Stillman Seal Corporation Div Stillman Seal Corperation), 658320 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), 40304 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).

What NSN replaces 5330-00-965-6951?

There are 12 known substitutes for 5330-00-965-6951: 2915-00-098-9010, 4720-00-145-6212, 2520-00-340-2120 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 658320?

Key specifications for 658320: Outside Diameter: 4.700 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: ALUMINUM ALLOY 6061 OVERALL; Surface Treatment: ANODIZE OVERALL. 10 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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