PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3F5791Seal,plain Encased

Caterpillar Inc Div Caterpillar Defense · NSN 5330-00-641-2228 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-641-2228 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-641-2228. Primary manufacturer part number: 3F5791.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Case Style: SQUARE
  • Housing Bore Diameter: 4.999 INCHES NOMINAL IN
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Accommodated Shaft Diameter: 4.000 INCHES NOMINAL IN
  • Seal Width: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-641-2228, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 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
NSN5330-00-641-2228
Primary Part Number3F5791
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Sealing Element StyleANGULAR
Case StyleSQUARE
Housing Bore Diameter4.999 INCHES NOMINAL IN
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Accommodated Shaft Diameter4.000 INCHES NOMINAL IN
Seal Width0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-021-1608 INTERCHANGEABLE
Transformer,audio Frequency
3010-00-371-75075791 INTERCHANGEABLE
Disk,clutch,nonvehicular
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
2920-00-640-7229IGB1239 INTERCHANGEABLE
Rotor,ignition Distributor
Prestolite Electric Inc
5940-00-665-958034130 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
5365-00-864-462655549 INTERCHANGEABLE
Plug,machine Thread
Parker Hannifin Corporation Div Hydraulic Systems Division
2010-00-933-1636 INTERCHANGEABLE
Hub,clutch
8115-01-015-499426X21X21DWDOM600 INTERCHANGEABLE
Box,shipping
Ponderosa Packaging Corp.
2920-01-026-3330 INTERCHANGEABLE
Starter,engine,electrical
5340-01-095-4868 INTERCHANGEABLE
Handle,bow
3120-01-109-1301 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
3F5791 Caterpillar Inc Div Caterpillar Defense (USA)
43-1904 Federal-Mogul Corp Chassis Products Div (USA)
M3101PC37 Mkt Geotechnical Systems (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
4994 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
55549 Federal-Mogul Corp Chassis Products Div (USA)
12M4994 Mkt Geotechnical Systems (USA)
43-1904 Federal-Mogul Corp Sealing Products Group Van Wert Plant (USA)
5WW1057-22 Amca Intl Corp Amclyde Engineered Products Div
4994 Mkt Geotechnical Systems (USA)
M3102-37 Mkt Geotechnical Systems (USA)
Related Parts
5950-00-021-1608INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
3010-00-371-7507INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
5791
2920-00-640-7229INTERCHANGEABLE
ROTOR,IGNITION DISTRIBUTOR
IGB1239
5940-00-665-9580INTERCHANGEABLE
SPLICE,CONDUCTOR
34130
5365-00-864-4626INTERCHANGEABLE
PLUG,MACHINE THREAD
55549
2010-00-933-1636INTERCHANGEABLE
HUB,CLUTCH
8115-01-015-4994INTERCHANGEABLE
BOX,SHIPPING
26X21X21DWDOM600
2920-01-026-3330INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
5340-01-095-4868INTERCHANGEABLE
HANDLE,BOW
3120-01-109-1301INTERCHANGEABLE
BEARING,SLEEVE
5999-01-155-7056INTERCHANGEABLE
MAGNET,PERMANENT
167-7066804-78
4010-01-493-9493INTERCHANGEABLE
WIRE ROPE ASSEMBLY SET
499-4

Frequently Asked Questions

What is NSN 5330-00-641-2228?

NSN 5330-00-641-2228 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 5330-00-641-2228?

NSN 5330-00-641-2228 has 11 cross-referenced part numbers: 3F5791 (Caterpillar Inc Div Caterpillar Defense), 43-1904 (Federal-Mogul Corp Chassis Products Div), M3101PC37 (Mkt Geotechnical Systems), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 4994 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions) and 6 more.

What NSN replaces 5330-00-641-2228?

There are 12 known substitutes for 5330-00-641-2228: 5950-00-021-1608, 3010-00-371-7507, 2920-00-640-7229 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3F5791?

Key specifications for 3F5791: Sealing Element Style: ANGULAR; Case Style: SQUARE; Housing Bore Diameter: 4.999 INCHES NOMINAL IN; Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-641-2228 still in active supply?

NSN 5330-00-641-2228 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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