PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2373-478PCR3Gasket

Portsmouth Naval Shipyard · NSN 5330-00-196-6695 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-196-6695 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-196-6695. Primary manufacturer part number: 2373-478PCR3.
Features
  • Gasket — FSC 5330
  • Material: RUBBER SYNTHETIC OVERALL
  • Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
  • Outside Diameter: 5.250 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Elongation Percentage: 160 MAXIMUM
  • Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
  • Cross-Sectional Thickness: 0.063 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-196-6695, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Portsmouth Naval Shipyard. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-196-6695
Primary Part Number2373-478PCR3
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPortsmouth Naval Shipyard
StatusCANCELLED
MaterialRUBBER SYNTHETIC OVERALL
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Outside Diameter5.250 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Elongation Percentage160 MAXIMUM
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Cross-Sectional Thickness0.063 INCHES NOMINAL IN
Material Document and ClassificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Fabrication MethodSOLID
Material Document and ClassificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialRUBBER SYNTHETIC OVERALL
Elongation Percentage160 MAXIMUM
Style DesignatorCIRCULAR
Style DesignatorCIRCULAR
Aperture Diameter3.500 INCHES NOMINAL IN
Aperture Diameter3.500 INCHES NOMINAL IN
Outside Diameter5.250 INCHES NOMINAL IN
Cross-Sectional Thickness0.063 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0668659 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5330-00-110-8792 INTERCHANGEABLE
Gasket
3110-00-156-483110029 INTERCHANGEABLE
Bearing,ball,annular
Klauer Manufacturing Company
6515-00-203-90000814-9133 INTERCHANGEABLE
Stockinet,surgical
Bird & Cronin, Llc
6685-00-225-2415 INTERCHANGEABLE
Gage,pressure,dial Indicating
6680-00-226-969680374-1 INTERCHANGEABLE
Indicator,sight,liquid
L3harris Technologies, Inc. Div Space and Airborne Systems
5330-00-239-440430102 INTERCHANGEABLE
Gasket
Technical Wire Products, Llc Dba Twp
5365-00-515-35134053 INTERCHANGEABLE
Spacer,ring
Johns Manville Intl
3120-00-554-1803 INTERCHANGEABLE
Bearing,plain,self-Aligning
3110-00-674-810030102-1 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
Cross-Reference Index
Part NumberManufacturer
2373-478PCR3 Portsmouth Naval Shipyard (USA)
2100-158741PC21 Naval Ship Systems Command (USA)
2100-811749PC21 Naval Ship Systems Command (USA)
240-2100-1036026PC19 Naval Ship Systems Command (USA)
PS1-30-5-1 Parker-Hannifin Corp Div O-Ring Division (USA)
578-2100-1574397REVAPC15 Naval Ship Systems Command (USA)
2962-121PCL3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2979-36PCL3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
8679-129REVAPC13 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
240-2200-1035389PC29 Naval Ship Systems Command (USA)
3779-32PC15 Mare Island Naval Shipyard (USA)
3079-36PCL3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
340-6700-937208PC12 Naval Ship Systems Command (USA)
2100-811847PC21 Naval Ship Systems Command (USA)
7879-034REVAPC15 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
30102 Pti Technologies Inc. (USA)
AN6238-1 Tecno Trade S.r.l. (ITA)
417-2100-70782PCR3 Naval Ship Systems Command (USA)
8170363 Us Army Aviation and Missile Command (USA)
3679-33PC15 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
3110-00-100-0668INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
659
5330-00-110-8792INTERCHANGEABLE
GASKET
3110-00-156-4831INTERCHANGEABLE
BEARING,BALL,ANNULAR
10029
6515-00-203-9000INTERCHANGEABLE
STOCKINET,SURGICAL
0814-9133
6685-00-225-2415INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6680-00-226-9696INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
80374-1
5330-00-239-4404INTERCHANGEABLE
GASKET
30102
5365-00-515-3513INTERCHANGEABLE
SPACER,RING
4053
3120-00-554-1803INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
3110-00-674-8100INTERCHANGEABLE
BEARING,BALL,ANNULAR
30102-1
4730-00-771-5313INTERCHANGEABLE
INSERT,TUBE FITTING
B405-3
6210-00-782-1739INTERCHANGEABLE
LENS,LIGHT

Frequently Asked Questions

What is NSN 5330-00-196-6695?

NSN 5330-00-196-6695 is a Gasket, manufactured by Portsmouth Naval Shipyard, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-196-6695?

NSN 5330-00-196-6695 has 50 cross-referenced part numbers: 2373-478PCR3 (Portsmouth Naval Shipyard), 2100-158741PC21 (Naval Ship Systems Command), 2100-811749PC21 (Naval Ship Systems Command), 240-2100-1036026PC19 (Naval Ship Systems Command), PS1-30-5-1 (Parker-Hannifin Corp Div O-Ring Division) and 45 more.

What NSN replaces 5330-00-196-6695?

There are 12 known substitutes for 5330-00-196-6695: 3110-00-100-0668, 5330-00-110-8792, 3110-00-156-4831 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2373-478PCR3?

Key specifications for 2373-478PCR3: Material: RUBBER SYNTHETIC OVERALL; Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Outside Diameter: 5.250 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-196-6695 still in active supply?

NSN 5330-00-196-6695 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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