PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24902Seal,plain

Napco International Llc Dba Napco International Inc · NSN 5330-00-654-3518 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-654-3518 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-654-3518. Primary manufacturer part number: 24902.
Features
  • Seal,plain — FSC 5330
  • Seal Width: 0.375 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SINGLE LIP
  • Material: RUBBER SEALING ELEMENT
  • Housing Bore Diameter: 1.062 INCHES NOMINAL IN
  • Construction: SOLID
  • Accommodated Shaft Diameter: 0.812 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Sealing Element construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-654-3518, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-654-3518
Primary Part Number24902
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
Seal Width0.375 INCHES NOMINAL IN
Cross-Sectional Shape StyleSINGLE LIP
MaterialRUBBER SEALING ELEMENT
Housing Bore Diameter1.062 INCHES NOMINAL IN
ConstructionSOLID
Accommodated Shaft Diameter0.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4820-00-203-778124902 INTERCHANGEABLE
Cock,poppet Drain
Parker-Hannifin Corporation Dba Pneutronics
3110-00-504-5882 INTERCHANGEABLE
Bearing,ball,annular
5365-01-235-018224902 INTERCHANGEABLE
Spacer,sleeve
Eaton Aerospace Llc
4820-01-259-7626249-02 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
3460-01-417-604524902 INTERCHANGEABLE
Jack,vertical
Jergens Inc Div Tooling Components Division
1005-01-523-7358249-02 INTERCHANGEABLE
Retainer,gun Component
Bordson Martin Dba Badger Ordnance Div Martin Bordson Dba Badger Ordnance
5330-01-534-258365187 INTERCHANGEABLE
Packing,preformed
Hamilton Jet, Inc.
2990-01-546-985124902 INTERCHANGEABLE
Pipe,exhaust
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
24902 PRIMARY Napco International Llc Dba Napco International Inc (USA)
157D1-0890 Kurz & Root Generator Company, Llc (USA)
65187 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
Related Parts
4820-00-203-7781INTERCHANGEABLE
COCK,POPPET DRAIN
24902
3110-00-504-5882INTERCHANGEABLE
BEARING,BALL,ANNULAR
5365-01-235-0182INTERCHANGEABLE
SPACER,SLEEVE
24902
4820-01-259-7626INTERCHANGEABLE
SEAT,VALVE
249-02
3460-01-417-6045INTERCHANGEABLE
JACK,VERTICAL
24902
1005-01-523-7358INTERCHANGEABLE
RETAINER,GUN COMPONENT
249-02
5330-01-534-2583INTERCHANGEABLE
PACKING,PREFORMED
65187
2990-01-546-9851INTERCHANGEABLE
PIPE,EXHAUST
24902

Frequently Asked Questions

What is NSN 5330-00-654-3518?

NSN 5330-00-654-3518 is a Seal,plain, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-654-3518?

NSN 5330-00-654-3518 has 3 cross-referenced part numbers: 24902 (Napco International Llc Dba Napco International Inc), 157D1-0890 (Kurz & Root Generator Company, Llc), 65187 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).

What NSN replaces 5330-00-654-3518?

There are 8 known substitutes for 5330-00-654-3518: 4820-00-203-7781, 3110-00-504-5882, 5365-01-235-0182 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24902?

Key specifications for 24902: Seal Width: 0.375 INCHES NOMINAL IN; Cross-Sectional Shape Style: SINGLE LIP; Material: RUBBER SEALING ELEMENT; Housing Bore Diameter: 1.062 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-654-3518 still in active supply?

NSN 5330-00-654-3518 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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