PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4902Seal,plain

Johns Manville Intl · NSN 5330-00-395-4738 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-395-4738 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-395-4738. Primary manufacturer part number: 4902.
Features
  • Seal,plain — FSC 5330
  • Material: STEEL CORROSION RESISTING SPRING
  • Material Document and Classification: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
  • Cross-Sectional Shape Style: SINGLE LIP
  • Accommodated Shaft Diameter: 5.125 INCHES NOMINAL IN
  • Seal Width: 0.625 INCHES NOMINAL IN
  • Housing Bore Diameter: 6.377 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Corrosion Resisting Spring construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-395-4738, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Johns Manville Intl. Government technical data includes 9 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-395-4738
Primary Part Number4902
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerJohns Manville Intl
StatusACTIVE
MaterialSTEEL CORROSION RESISTING SPRING
Material Document and ClassificationMIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
Cross-Sectional Shape StyleSINGLE LIP
Accommodated Shaft Diameter5.125 INCHES NOMINAL IN
Seal Width0.625 INCHES NOMINAL IN
Housing Bore Diameter6.377 INCHES NOMINAL IN
Temp Rating-40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
ConstructionSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-274-84934902 INTERCHANGEABLE
Washer,flat
Triumph Engine Control Systems Llc
5905-00-448-26014902 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Electro Scientific Industries Inc
5330-00-521-61044902 INTERCHANGEABLE
Seal,plain Encased
Proactive Components Inc Dba Proactive Components Inc
5330-00-641-2010 INTERCHANGEABLE
Packing,preformed
2520-00-773-5974 INTERCHANGEABLE
Shaft Pump Drive
5930-00-943-0260 INTERCHANGEABLE
Switch,toggle
5998-01-010-08774902 INTERCHANGEABLE
Circuit Card Assembly
Electro-Metrics Corporation Dba Electro-Metrics
5120-01-073-0380GS15953-1 INTERCHANGEABLE
Tool,installer,pin
Hamilton Sundstrand Corporation Dba Collins Aerospace
5330-01-106-64314902 INTERCHANGEABLE
Seal,plain Encased
Stewart & Stevenson Power Products Llc
6105-01-260-0123 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
4902 PRIMARY Johns Manville Intl (USA)
622627 Manitowoc Engineering Co Division of the Manitowoc Co Inc (USA)
Related Parts
5310-00-274-8493INTERCHANGEABLE
WASHER,FLAT
4902
5905-00-448-2601INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4902
5330-00-521-6104INTERCHANGEABLE
SEAL,PLAIN ENCASED
4902
5330-00-641-2010INTERCHANGEABLE
PACKING,PREFORMED
2520-00-773-5974INTERCHANGEABLE
SHAFT PUMP DRIVE
5930-00-943-0260INTERCHANGEABLE
SWITCH,TOGGLE
5998-01-010-0877INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4902
5120-01-073-0380INTERCHANGEABLE
TOOL,INSTALLER,PIN
GS15953-1
5330-01-106-6431INTERCHANGEABLE
SEAL,PLAIN ENCASED
4902
6105-01-260-0123INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5120-01-378-5897INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
4730-01-588-6804INTERCHANGEABLE
PNEUMATIC MUFFLER,EXHAUST-INTAKE
4902

Frequently Asked Questions

What is NSN 5330-00-395-4738?

NSN 5330-00-395-4738 is a Seal,plain, manufactured by Johns Manville Intl, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-395-4738?

NSN 5330-00-395-4738 has 2 cross-referenced part numbers: 4902 (Johns Manville Intl), 622627 (Manitowoc Engineering Co Division of the Manitowoc Co Inc).

What NSN replaces 5330-00-395-4738?

There are 12 known substitutes for 5330-00-395-4738: 5310-00-274-8493, 5905-00-448-2601, 5330-00-521-6104 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4902?

Key specifications for 4902: Material: STEEL CORROSION RESISTING SPRING; Material Document and Classification: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT; Cross-Sectional Shape Style: SINGLE LIP. 9 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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