PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BA3Filter Element,fluid

Deltech Engineering Lp · NSN 4330-00-172-3554 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-00-172-3554 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-172-3554. Primary manufacturer part number: BA3.
Features
  • Filter Element,fluid — FSC 4330
  • Flow Direction: PARALLEL
  • Body Diameter: 2.375 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL W/ CONTAINER (RIGID)
  • Filtering Media Design: LOOSE PACKED SINGLE FILTERING MEDIA RESPONSE
  • Design Type: NONREUSABLE
  • Body Overall Length: 27.250 INCHES NOMINAL IN
  • Filtering Media Design: LOOSE PACKED SINGLE FILTERING MEDIA RESPONSE
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Wool or Fiber Filtering Medium construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 4330-00-172-3554, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Deltech Engineering Lp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-00-172-3554
Primary Part NumberBA3
Item NameFilter Element,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerDeltech Engineering Lp
StatusACTIVE
Flow DirectionPARALLEL
Body Diameter2.375 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL W/ CONTAINER (RIGID)
Filtering Media DesignLOOSE PACKED SINGLE FILTERING MEDIA RESPONSE
Design TypeNONREUSABLE
Body Overall Length27.250 INCHES NOMINAL IN
Filtering Media DesignLOOSE PACKED SINGLE FILTERING MEDIA RESPONSE
Differential PressureERR-060
MaterialWOOL OR FIBER FILTERING MEDIUM
Style DesignatorCYLINDRICAL W/ CONTAINER (RIGID)
Body Inside Diameter2.156 INCHES NOMINAL IN
Media for Which DesignedANY ACCEPTABLE
Design TypeNONREUSABLE
Body Overall Length27.250 INCHES NOMINAL IN
MaterialWOOL OR FIBER FILTERING MEDIUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6685-00-838-30418261-25 INTERCHANGEABLE
Gage,pressure,dial Indicating
Columbus Jack Corporation Div Columbus Jack
1660-01-663-6120 INTERCHANGEABLE
Insulation Blanket,thermal,aircr
Cross-Reference Index
Part NumberManufacturer
BA3 Deltech Engineering Lp (USA)
Related Parts
6685-00-838-3041INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
8261-25
1660-01-663-6120INTERCHANGEABLE
INSULATION BLANKET,THERMAL,AIRCR

Frequently Asked Questions

What is NSN 4330-00-172-3554?

NSN 4330-00-172-3554 is a Filter Element,fluid, manufactured by Deltech Engineering Lp, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-00-172-3554?

NSN 4330-00-172-3554 has 1 cross-referenced part number: BA3 (Deltech Engineering Lp).

What NSN replaces 4330-00-172-3554?

There are 2 known substitutes for 4330-00-172-3554: 6685-00-838-3041, 1660-01-663-6120. Verify interchangeability with system specifications before substitution.

What are the specifications of BA3?

Key specifications for BA3: Flow Direction: PARALLEL; Body Diameter: 2.375 INCHES NOMINAL IN; Style Designator: CYLINDRICAL W/ CONTAINER (RIGID); Filtering Media Design: LOOSE PACKED SINGLE FILTERING MEDIA RESPONSE. 17 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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