PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RS4161Filter Element,intake Air Cleane

Baldwin Filters · NSN 2940-01-626-2228 · FSC 2940 · No Item Name Available
Verified by PartsTable
NSN 2940-01-626-2228 — this item is cataloged by the U.S. Government under National Stock Number 2940-01-626-2228. Primary manufacturer part number: RS4161.
Features
  • Filter Element,intake Air Cleane — FSC 2940
  • Body Overall Length: 8.00 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL W/OUT CONTAINER
  • Body Inside Diameter: 3.218 INCHES NOMINAL IN
  • Body Diameter: 5.968 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Baldwin Filters
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Element,intake Air Cleane, cataloged under National Stock Number 2940-01-626-2228, is classified within Federal Supply Class 2940 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Baldwin Filters. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2940-01-626-2228
Primary Part NumberRS4161
Item NameFilter Element,intake Air Cleane
FSC / FSG2940 / 29 — No Item Name Available
ManufacturerBaldwin Filters
StatusACTIVE
Body Overall Length8.00 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL W/OUT CONTAINER
Body Inside Diameter3.218 INCHES NOMINAL IN
Body Diameter5.968 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-0360100054 INTERCHANGEABLE
Cup,tapered Roller Bearing
Allianz Sweeper Company
4920-00-138-70912729 INTERCHANGEABLE
Case-Cable Assembly
Mission Systems Davenport Inc.
5325-00-174-9829395582 INTERCHANGEABLE
Ring,retaining
Lockheed Martin Corporation Div Rms
4730-00-388-8796 INTERCHANGEABLE
Union,pipe
5985-00-506-0532 INTERCHANGEABLE
Attenuator,fixed
5905-00-798-576227-29 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Keysight Technologies Inc
5935-00-903-301727-29 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
5945-01-089-2119MA2729 INTERCHANGEABLE
Relay
Avo Multi-Amp Corp
5962-01-178-238642729 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5930-01-210-5399012520 INTERCHANGEABLE
Retainer,electrical Switch
Jacobs Mfg Co the
Cross-Reference Index
Part NumberManufacturer
RS4161 K & a Sales and Marketing, Inc. (USA)
2729 Napa Automotive Parts Co (USA)
RS4161 PRIMARY Baldwin Filters (USA)
42729 Wix Corp (USA)
Related Parts
3110-00-100-0360INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
100054
4920-00-138-7091INTERCHANGEABLE
CASE-CABLE ASSEMBLY
2729
5325-00-174-9829INTERCHANGEABLE
RING,RETAINING
395582
4730-00-388-8796INTERCHANGEABLE
UNION,PIPE
5985-00-506-0532INTERCHANGEABLE
ATTENUATOR,FIXED
5905-00-798-5762INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
27-29
5935-00-903-3017INTERCHANGEABLE
ADAPTER,CONNECTOR
27-29
5945-01-089-2119INTERCHANGEABLE
RELAY
MA2729
5962-01-178-2386INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42729
5930-01-210-5399INTERCHANGEABLE
RETAINER,ELECTRICAL SWITCH
012520
5950-01-250-1563INTERCHANGEABLE
TRANSFORMER,POWER
135-003-5052
5310-01-316-5223INTERCHANGEABLE
WASHER,FLAT
42729

Frequently Asked Questions

What is NSN 2940-01-626-2228?

NSN 2940-01-626-2228 is a Filter Element,intake Air Cleane, manufactured by Baldwin Filters, classified under FSC 2940 (No Item Name Available). Status: active.

What are the part numbers for NSN 2940-01-626-2228?

NSN 2940-01-626-2228 has 4 cross-referenced part numbers: RS4161 (K & a Sales and Marketing, Inc.), 2729 (Napa Automotive Parts Co), RS4161 (Baldwin Filters), 42729 (Wix Corp).

What NSN replaces 2940-01-626-2228?

There are 12 known substitutes for 2940-01-626-2228: 3110-00-100-0360, 4920-00-138-7091, 5325-00-174-9829 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RS4161?

Key specifications for RS4161: Body Overall Length: 8.00 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: RADIAL SEAL AIR ELEMENT; Style Designator: CYLINDRICAL W/OUT CONTAINER; Body Inside Diameter: 3.218 INCHES NOMINAL IN. 6 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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