PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5S4408Seal,plain Encased

Caterpillar Inc Div Caterpillar Defense · NSN 5330-00-194-3681 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-194-3681 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-194-3681. Primary manufacturer part number: 5S4408.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.469 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material: STEEL CASE
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 2.625 INCHES NOMINAL IN
  • Housing Bore Diameter: 3.876 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-194-3681, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-194-3681
Primary Part Number5S4408
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Seal Width0.469 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL CASE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Sealing Element StyleANGULAR
Accommodated Shaft Diameter2.625 INCHES NOMINAL IN
Housing Bore Diameter3.876 INCHES NOMINAL IN
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
6220-00-173-720060101 INTERCHANGEABLE
Light,utility,vehicular
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
3455-00-224-365545545 INTERCHANGEABLE
Cutter,milling,metal Slitting
Kennametal Inc. Div Kennametal Industrial Products Group
2920-00-376-826326331-1 INTERCHANGEABLE
Rotor,magneto
John Deer Consumer Products Inc
5950-00-402-1653920011-14 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5330-00-567-4355100570 INTERCHANGEABLE
Gasket
Cummins Inc.
3120-00-662-7723100570 INTERCHANGEABLE
Bushing,sleeve
Meggitt North Hollywood Inc
4520-01-475-5018100570 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
4320-01-478-2876XL1-1/4-N INTERCHANGEABLE
Pump Unit,rotary
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
3130-01-540-4369100570 INTERCHANGEABLE
Bearing Unit,plain
A V Technology Llc
6530-01-598-9044KIT-FR-USAF INTERCHANGEABLE
Elevation Set,floor
Airboss Defense Group, Llc
Cross-Reference Index
Part NumberManufacturer
455007 Federal-Mogul Corp Sealing Products Group Van Wert Plant (USA)
387W220M1 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
455007K69 Federal-Mogul Corp Government Sales Dept (USA)
26331 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
5S4408 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
100570 Zf Industrieantriebe Witten Gmbh (DEU)
455007 Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
6220-00-173-7200INTERCHANGEABLE
LIGHT,UTILITY,VEHICULAR
60101
3455-00-224-3655INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
45545
2920-00-376-8263INTERCHANGEABLE
ROTOR,MAGNETO
26331-1
5950-00-402-1653INTERCHANGEABLE
COIL,RADIO FREQUENCY
920011-14
5330-00-567-4355INTERCHANGEABLE
GASKET
100570
3120-00-662-7723INTERCHANGEABLE
BUSHING,SLEEVE
100570
4520-01-475-5018INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
100570
4320-01-478-2876INTERCHANGEABLE
PUMP UNIT,ROTARY
XL1-1/4-N
3130-01-540-4369INTERCHANGEABLE
BEARING UNIT,PLAIN
100570
6530-01-598-9044INTERCHANGEABLE
ELEVATION SET,FLOOR
KIT-FR-USAF

Frequently Asked Questions

What is NSN 5330-00-194-3681?

NSN 5330-00-194-3681 is a Seal,plain Encased, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-194-3681?

NSN 5330-00-194-3681 has 8 cross-referenced part numbers: 455007 (Federal-Mogul Corp Sealing Products Group Van Wert Plant), 387W220M1 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 455007K69 (Federal-Mogul Corp Government Sales Dept), 26331 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 5S4408 (Caterpillar Inc Div Caterpillar Defense) and 3 more.

What NSN replaces 5330-00-194-3681?

There are 10 known substitutes for 5330-00-194-3681: 6220-00-173-7200, 3455-00-224-3655, 2920-00-376-8263 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5S4408?

Key specifications for 5S4408: Seal Width: 0.469 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT; Special Features: WITH PROTECTIVE INNER CASE; Material: STEEL CASE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-194-3681 still in active supply?

NSN 5330-00-194-3681 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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