PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6B4833Ring Piston

Caterpillar Inc Div Caterpillar Defense · NSN 2805-00-830-3879 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-830-3879 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-830-3879. Primary manufacturer part number: 6B4833.
Features
  • Ring Piston — FSC 2805
  • 2 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Piston, cataloged under National Stock Number 2805-00-830-3879, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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: Cancelled.

Catalog Facts
Item NameRing Piston
FSC / FSG2805 — No Item Name Available (FSG 28)
ManufacturersDana Corp Engine Products Div (CAGE 77220); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN2805-00-830-3879
Primary Part Number6B4833
Item NameRing Piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3120-00-216-93672491 INTERCHANGEABLE
Bearing Assembly
Northrop Grumman Systems Corporation Div Marine Systems
6680-00-358-1958249-1 INTERCHANGEABLE
Indicator,electrical Tachometer
The Dewey Electronics Corporation Div Pitometer Log Division
5340-00-497-8670249-1 INTERCHANGEABLE
Snap Hook
Buckles International, Inc.
5330-00-630-1793710501 INTERCHANGEABLE
Gasket
Hamilton Sundstrand Corporation
5915-00-879-2490SM-A-763726 INTERCHANGEABLE
Filter,low Pass
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6210-01-113-59422-49-1 INTERCHANGEABLE
Light,indicator
Automation Products Group, Inc.
4820-01-165-5889 INTERCHANGEABLE
Seat,valve
2940-01-176-057942491 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
6515-01-250-7549 INTERCHANGEABLE
Tube Assembly,gas Anesthesia App
5330-01-307-37801625G 1/4 IN. INTERCHANGEABLE
Packing Material
John Crane, Inc
Cross-Reference Index
Part NumberManufacturer
2491 Dana Corp Engine Products Div (USA)
6B4833 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
3120-00-216-9367INTERCHANGEABLE
BEARING ASSEMBLY
2491
6680-00-358-1958INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
249-1
5340-00-497-8670INTERCHANGEABLE
SNAP HOOK
249-1
5330-00-630-1793INTERCHANGEABLE
GASKET
710501
5915-00-879-2490INTERCHANGEABLE
FILTER,LOW PASS
SM-A-763726
6210-01-113-5942INTERCHANGEABLE
LIGHT,INDICATOR
2-49-1
4820-01-165-5889INTERCHANGEABLE
SEAT,VALVE
2940-01-176-0579INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42491
6515-01-250-7549INTERCHANGEABLE
TUBE ASSEMBLY,GAS ANESTHESIA APP
5330-01-307-3780INTERCHANGEABLE
PACKING MATERIAL
1625G 1/4 IN.
6210-01-334-2919INTERCHANGEABLE
LIGHT,INDICATOR
11460090-1
7025-01-459-3503INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
2491

Frequently Asked Questions

What is NSN 2805-00-830-3879?

NSN 2805-00-830-3879 is a Ring Piston, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-830-3879?

NSN 2805-00-830-3879 has 2 cross-referenced part numbers: 2491 (Dana Corp Engine Products Div), 6B4833 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 2805-00-830-3879?

There are 12 known substitutes for 2805-00-830-3879: 3120-00-216-9367, 6680-00-358-1958, 5340-00-497-8670 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 2805-00-830-3879 still in active supply?

NSN 2805-00-830-3879 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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