PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2B1869Seal,plain Encased

Caterpillar Inc Div Caterpillar Defense · NSN 5330-00-641-2176 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-641-2176 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-641-2176. Primary manufacturer part number: 2B1869.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Housing Bore Diameter: 2.437 INCHES NOMINAL IN
  • Seal Width: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Accommodated Shaft Diameter: 1.375 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
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 5330-00-641-2176, 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 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-641-2176
Primary Part Number2B1869
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Case StyleSQUARE
Sealing Element StyleANGULAR
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Housing Bore Diameter2.437 INCHES NOMINAL IN
Seal Width0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Accommodated Shaft Diameter1.375 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-241-0280CA272 INTERCHANGEABLE
Connector,receptacle,electrical
Itt Cannon Llc
4530-00-394-8462A-02-07-0010 INTERCHANGEABLE
Atomizer Assembly
Todd Combustion Inc
5970-00-636-4088320675 INTERCHANGEABLE
Insulator,washer
Hamilton Sundstrand Corporation Dba Collins Aerospace
5930-01-027-3241 INTERCHANGEABLE
Switch,thermostatic
5950-01-044-489430002 INTERCHANGEABLE
Transformer,power
Data Device Corp Dba Beta Transformer Technology
5340-01-270-7403A272A INTERCHANGEABLE
Clip,spring Tension
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
0043569 New Holland Construction (USA)
2B1869 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
0043569-3 New Holland Construction (USA)
243112 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
A272 Barber-Greene Co (USA)
A272 Minnpar, Llc Dba Minnpar (USA)
A272 PRIMARY Cotta Transmission Co Llc (USA)
043569 New Holland Construction (USA)
0042024 PRIMARY New Holland Construction (USA)
042024 New Holland Construction (USA)
Related Parts
5935-00-241-0280INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
CA272
4530-00-394-8462INTERCHANGEABLE
ATOMIZER ASSEMBLY
A-02-07-0010
5970-00-636-4088INTERCHANGEABLE
INSULATOR,WASHER
320675
5930-01-027-3241INTERCHANGEABLE
SWITCH,THERMOSTATIC
5950-01-044-4894INTERCHANGEABLE
TRANSFORMER,POWER
30002
5340-01-270-7403INTERCHANGEABLE
CLIP,SPRING TENSION
A272A

Frequently Asked Questions

What is NSN 5330-00-641-2176?

NSN 5330-00-641-2176 is a Seal,plain Encased, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-641-2176?

NSN 5330-00-641-2176 has 10 cross-referenced part numbers: 0043569 (New Holland Construction), 2B1869 (Caterpillar Inc Div Caterpillar Defense), 0043569-3 (New Holland Construction), 243112 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), A272 (Barber-Greene Co) and 5 more.

What NSN replaces 5330-00-641-2176?

There are 6 known substitutes for 5330-00-641-2176: 5935-00-241-0280, 4530-00-394-8462, 5970-00-636-4088 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2B1869?

Key specifications for 2B1869: Case Style: SQUARE; Sealing Element Style: ANGULAR; Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT; Housing Bore Diameter: 2.437 INCHES NOMINAL IN. 7 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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