PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

668879Gasket

Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division · NSN 5330-00-085-2345 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-085-2345 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-085-2345. Primary manufacturer part number: 668879.
Features
  • Gasket — FSC 5330
  • Bolt Circle Diameter: 3.500 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: METAL AND SYNTHETIC RUBBER
  • Cross-Sectional Thickness: 0.177 INCHES NOMINAL IN
  • Aperture Diameter: 2.500 INCHES NOMINAL IN
  • Gage Ring Thickness: 0.125 INCHES NOMINAL IN
  • Material Document and Classification: QQ-A-250/11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: ALUMINUM ALLOY OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-085-2345, 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 11 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-085-2345
Primary Part Number668879
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
StatusACTIVE
Bolt Circle Diameter3.500 INCHES NOMINAL IN
Cross-Sectional Shape StyleMETAL AND SYNTHETIC RUBBER
Cross-Sectional Thickness0.177 INCHES NOMINAL IN
Aperture Diameter2.500 INCHES NOMINAL IN
Gage Ring Thickness0.125 INCHES NOMINAL IN
Material Document and ClassificationQQ-A-250/11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialALUMINUM ALLOY OVERALL
Outside Diameter4.500 INCHES NOMINAL IN
Surface TreatmentANODIZE OVERALL
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating60.0 SHORE DUROMETER A NOMINAL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3040-00-234-399602261-0280-21 INTERCHANGEABLE
Shaft,straight
Asrc Federal Facilities Logistics, Llc
3040-00-270-80494500-281 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5310-00-509-2129C119051 INTERCHANGEABLE
Washer,recessed
Schwitzer Engine Components a Household Intl Co
5915-00-853-24817758918P1 INTERCHANGEABLE
Filter,band Pass
Lockheed Martin Corporation Div Rms
5133-01-095-6718 INTERCHANGEABLE
Drill,twist
5340-01-272-739440309 INTERCHANGEABLE
Plug,vent
Tyco Fire Products Lp
5310-01-579-854040309 INTERCHANGEABLE
Nut,plain,hexagon
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
668879 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA)
517-260-01 PIEC Naval Inventory Control Point Mechanicsburg (USA)
40309 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
114PS433-15 The Boeing Company (USA)
Related Parts
3040-00-234-3996INTERCHANGEABLE
SHAFT,STRAIGHT
02261-0280-21
3040-00-270-8049INTERCHANGEABLE
CONNECTING LINK,RIGID
4500-281
5310-00-509-2129INTERCHANGEABLE
WASHER,RECESSED
C119051
5915-00-853-2481INTERCHANGEABLE
FILTER,BAND PASS
7758918P1
5133-01-095-6718INTERCHANGEABLE
DRILL,TWIST
5340-01-272-7394INTERCHANGEABLE
PLUG,VENT
40309
5310-01-579-8540INTERCHANGEABLE
NUT,PLAIN,HEXAGON
40309

Frequently Asked Questions

What is NSN 5330-00-085-2345?

NSN 5330-00-085-2345 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 5330-00-085-2345?

NSN 5330-00-085-2345 has 4 cross-referenced part numbers: 668879 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), 517-260-01 PIEC (Naval Inventory Control Point Mechanicsburg), 40309 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), 114PS433-15 (The Boeing Company).

What NSN replaces 5330-00-085-2345?

There are 7 known substitutes for 5330-00-085-2345: 3040-00-234-3996, 3040-00-270-8049, 5310-00-509-2129 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 668879?

Key specifications for 668879: Bolt Circle Diameter: 3.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: METAL AND SYNTHETIC RUBBER; Cross-Sectional Thickness: 0.177 INCHES NOMINAL IN; Aperture Diameter: 2.500 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com