PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6B8217Filter Element,fluid

Caterpillar Inc Div Caterpillar Defense · NSN 2940-00-378-9729 · FSC 2940 · No Item Name Available
Verified by PartsTable
NSN 2940-00-378-9729 — this item is cataloged by the U.S. Government under National Stock Number 2940-00-378-9729. Primary manufacturer part number: 6B8217.
Features
  • Filter Element,fluid — FSC 2940
  • 23 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Element,fluid, cataloged under National Stock Number 2940-00-378-9729, is classified within Federal Supply Class 2940 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 23 commercial cross-references from 18 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 NameFilter Element,fluid
FSC / FSG2940 — No Item Name Available (FSG 29)
ManufacturersCummins Inc. (CAGE 15434); Baldwin Filters (CAGE 12658); Ap Parts Co Youngstown Div (CAGE 76042); Dresser Industries Inc Leroi Div (CAGE 35301); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN2940-00-378-9729
Primary Part Number6B8217
Item NameFilter Element,fluid
FSC / FSG2940 / 29 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3120-00-032-2713 INTERCHANGEABLE
Bearing,sleeve
2010-00-036-2657 INTERCHANGEABLE
Manifold
5306-00-054-4954EWB26-5-26 INTERCHANGEABLE
Bolt,shear
Sps Technologies, Llc Dba PB Fasteners
5220-00-056-5918J58 INTERCHANGEABLE
Gage,profile
Compair, Inc
5340-00-152-6141S3127Y-C018 INTERCHANGEABLE
Clamp,synchro
Designatronics Incorporated Div Sterling Instruments Div
5935-00-166-56115-10-29 INTERCHANGEABLE
Connector,plug,electrical
Ted Manufacturing Corp Div Ted Manufacturing Corporation
4730-00-188-6323C69 INTERCHANGEABLE
Fitting,lubrication
Viking Pump, Inc
3110-00-198-2139B305-18 INTERCHANGEABLE
Bearing,roller,journal
Regal Beloit America, Inc. Dba Rollway Bearing
5310-00-208-389547-631-149-1 INTERCHANGEABLE
Nut,plain,square
Textron Systems Corporation Dba Textron Systems Corp
5133-00-236-4102 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
LF-591 Cummins Inc. (USA)
T-192-P Baldwin Filters (USA)
K729 Ap Parts Co Youngstown Div (USA)
A77-219 Dresser Industries Inc Leroi Div (USA)
6B8217 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
FC-409 Deluxe Products Div Walker Mfg Co (USA)
21958 Arvinmeritor Inc (USA)
1029 National Automotive Parts Assn/napa/ (USA)
1029 Genuine Parts Company Div Automotive Parts Group, Dba Napa (USA)
IPD6B8217 Industrial Parts Depot, Llc Dba Ipd (USA)
CW29M Wix Corp (USA)
C-69 Honeywell International Inc Dba Honeywell Div Consumer Products Group (USA)
PMX-N29N Parma Industries Inc (USA)
C18 General Motors Corp (USA)
51029 PRIMARY Wix Corp (USA)
N29 PRIMARY Arvinmeritor Inc (USA)
PT29 Arvinmeritor Inc (USA)
C18 General Motors Llc Dba General Motors (USA)
C305 General Motors Llc Dba General Motors Llc (USA)
XN-29N Parma Industries Inc (USA)
Related Parts
3120-00-032-2713INTERCHANGEABLE
BEARING,SLEEVE
2010-00-036-2657INTERCHANGEABLE
MANIFOLD
5306-00-054-4954INTERCHANGEABLE
BOLT,SHEAR
EWB26-5-26
5220-00-056-5918INTERCHANGEABLE
GAGE,PROFILE
J58
5340-00-152-6141INTERCHANGEABLE
CLAMP,SYNCHRO
S3127Y-C018
5935-00-166-5611INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5-10-29
4730-00-188-6323INTERCHANGEABLE
FITTING,LUBRICATION
C69
3110-00-198-2139INTERCHANGEABLE
BEARING,ROLLER,JOURNAL
B305-18
5310-00-208-3895INTERCHANGEABLE
NUT,PLAIN,SQUARE
47-631-149-1
5133-00-236-4102INTERCHANGEABLE
DRILL,TWIST
5950-00-249-7359INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
16009D5-3
3439-00-293-4716INTERCHANGEABLE
ELECTRODE,WELDING
ED010098

Frequently Asked Questions

What is NSN 2940-00-378-9729?

NSN 2940-00-378-9729 is a Filter Element,fluid, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2940-00-378-9729?

NSN 2940-00-378-9729 has 23 cross-referenced part numbers: LF-591 (Cummins Inc.), T-192-P (Baldwin Filters), K729 (Ap Parts Co Youngstown Div), A77-219 (Dresser Industries Inc Leroi Div), 6B8217 (Caterpillar Inc Div Caterpillar Defense) and 18 more.

What NSN replaces 2940-00-378-9729?

There are 12 known substitutes for 2940-00-378-9729: 3120-00-032-2713, 2010-00-036-2657, 5306-00-054-4954 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 2940-00-378-9729 still in active supply?

NSN 2940-00-378-9729 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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