PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

638079Gasket

Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division · NSN 5330-00-901-0745 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-901-0745 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-901-0745. Primary manufacturer part number: 638079.
Features
  • Gasket — FSC 5330
  • Surface Treatment: ANODIZE OVERALL
  • Gage Ring Thickness: 0.142 INCHES NOMINAL IN
  • Outside Diameter: 5.500 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.090 INCHES NOMINAL IN
  • Aperture Diameter: 4.062 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Bolt Circle Diameter: 4.750 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Aluminum Alloy 6061 and Rubber Chloroprene Class Cr and Rubber Butadiene-Acrylonitrile Class Nbr and Rubber Butadiene-Styrene Class Sbr Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-901-0745, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-901-0745
Primary Part Number638079
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
StatusACTIVE
Surface TreatmentANODIZE OVERALL
Gage Ring Thickness0.142 INCHES NOMINAL IN
Outside Diameter5.500 INCHES NOMINAL IN
Cross-Sectional Thickness0.090 INCHES NOMINAL IN
Aperture Diameter4.062 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Bolt Circle Diameter4.750 INCHES NOMINAL IN
Bolt Hole Quantity12
MaterialALUMINUM ALLOY 6061 AND RUBBER CHLOROPRENE CLASS CR AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
Hole Diameter0.280 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Cross-Sectional Shape StyleMETAL AND SYNTHETIC RUBBER
Material Document and ClassificationQQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-6855,CL 1 GR 60 MIL SPEC 2ND MATERIAL RESPONSE AND MIL -R-6855,CL 2 GR 60 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-R-6855,CL 3,GR 60 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
Style DesignatorCIRCULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-071-3611695140 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5940-00-230-8125304-0017-000 INTERCHANGEABLE
Terminal,lug
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3455-00-232-904058-10133 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
6105-00-411-622640055 INTERCHANGEABLE
Motor,alternating Current
Crown Audio, Inc. Dba Crown International
2925-00-602-086940078 INTERCHANGEABLE
Ignition,exciter
Unison Industries Llc
6680-01-148-497540078 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
8465-01-541-797140078 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
4330-01-584-6145040078 INTERCHANGEABLE
Filter Element,fluid
Westerbeke Corporation
2930-01-677-837840078 INTERCHANGEABLE
Cooler,lubricating Oil,engine
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
638079 Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA)
40078 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
Related Parts
5950-00-071-3611INTERCHANGEABLE
TRANSFORMER,POWER
695140
5940-00-230-8125INTERCHANGEABLE
TERMINAL,LUG
304-0017-000
3455-00-232-9040INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10133
6105-00-411-6226INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
40055
2925-00-602-0869INTERCHANGEABLE
IGNITION,EXCITER
40078
6680-01-148-4975INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
40078
8465-01-541-7971INTERCHANGEABLE
HYDRATION SYSTEM
40078
4330-01-584-6145INTERCHANGEABLE
FILTER ELEMENT,FLUID
040078
2930-01-677-8378INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
40078

Frequently Asked Questions

What is NSN 5330-00-901-0745?

NSN 5330-00-901-0745 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 5330-00-901-0745?

NSN 5330-00-901-0745 has 2 cross-referenced part numbers: 638079 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), 40078 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).

What NSN replaces 5330-00-901-0745?

There are 9 known substitutes for 5330-00-901-0745: 5950-00-071-3611, 5940-00-230-8125, 3455-00-232-9040 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 638079?

Key specifications for 638079: Surface Treatment: ANODIZE OVERALL; Gage Ring Thickness: 0.142 INCHES NOMINAL IN; Outside Diameter: 5.500 INCHES NOMINAL IN; Cross-Sectional Thickness: 0.090 INCHES NOMINAL IN. 13 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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