PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-3A1-4BFilter,fluid

Parker-Hannifin Corporation · NSN 4330-00-274-6350 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-00-274-6350 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-274-6350. Primary manufacturer part number: B-3A1-4B.
Features
  • Filter,fluid — FSC 4330
  • Design Type: NONREUSABLE
  • Filtering Element Quantity: 1
  • Mounting Type: BRACKET W/DRILLED HOLE HEAD SIDE
  • Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
  • First Discharge Connection Relationship to Intake Connection: IDENTICAL TO FIRST INTAKE CONNECTION
  • Material: STEEL SEDIMENT BOWL
  • First Intake Thread Direction: RIGHT-HAND
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Steel Sediment Bowl construction
General Description

The Filter,fluid, cataloged under National Stock Number 4330-00-274-6350, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Parker-Hannifin Corporation. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4330-00-274-6350
Primary Part NumberB-3A1-4B
Item NameFilter,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerParker-Hannifin Corporation
StatusCANCELLED
Design TypeNONREUSABLE
Filtering Element Quantity1
Mounting TypeBRACKET W/DRILLED HOLE HEAD SIDE
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
First Discharge Connection Relationship to Intake ConnectionIDENTICAL TO FIRST INTAKE CONNECTION
MaterialSTEEL SEDIMENT BOWL
First Intake Thread DirectionRIGHT-HAND
Filtering System for Which DesignedFULL FLOW
Filtering Media DesignSPIRAL WOUND SINGLE FILTERING MEDIA RESPONSE
First Intake Thread Series DesignatorNPTF
First Intake Nominal Thread Size0.250 INCHES IN
First Intake Connection TypeTHREADED INTERNAL PIPE HEAD SIDE
Features ProvidedDRAIN COCK
Body Width4.125 INCHES NOMINAL IN
Mounting Hole Diameter0.406 INCHES NOMINAL IN
Mounting Hole Quantity2
Style DesignatorUNTHREADED SHELL W/SELECTIVE FLOW
Distance Between Mounting Hole Centers1.500 INCHES NOMINAL IN
MaterialCOTTON FILTERING MEDIUM
Filtration Rating in Microns10.0 NOMINAL
Bracket Quantity1
Temp Rating100.0 FAHRENHEIT NOMINAL DEGF
MaterialSTEEL BODY
Body Height7.000 INCHES NOMINAL IN
Body Length4.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
2815-00-231-5714 INTERCHANGEABLE
Ring Set,piston
5315-00-349-94384047 INTERCHANGEABLE
Pin,shoulder,headless
Wakmann Watch Company Inc
5945-00-628-64848151703-0002 INTERCHANGEABLE
Relay,hybrid
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
5305-00-781-90594047 INTERCHANGEABLE
Thumbscrew
Roller Bearing Co of America, Inc Div Pic Design
5950-00-791-0924 INTERCHANGEABLE
Transformer,audio Frequency
5999-00-866-6211966499 INTERCHANGEABLE
Heater,thermal Release
Westinghouse Electric Corp
4310-00-900-16304047 INTERCHANGEABLE
Piston,compressor
Saylor-Beall Manufacturing Company
5975-01-071-6897 INTERCHANGEABLE
Test Plug
4920-01-080-5899DSC-5012-SR-2024 INTERCHANGEABLE
Converter,module
Natel Engineering Company, Llc Div Natel Chatsworth Division
6505-01-201-7010PO-5600 INTERCHANGEABLE
Test Strips,ophthalmic,rose Beng
Amcon Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
X10586-2 Parker-Hannifin Corporation (USA)
ADP4047 Dielectric Products Co Inc (USA)
B-3A1-4B PRIMARY Parker-Hannifin Corporation (USA)
4047 Dielectric Products Co Inc (USA)
Related Parts
2815-00-231-5714INTERCHANGEABLE
RING SET,PISTON
5315-00-349-9438INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
4047
5945-00-628-6484INTERCHANGEABLE
RELAY,HYBRID
8151703-0002
5305-00-781-9059INTERCHANGEABLE
THUMBSCREW
4047
5950-00-791-0924INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5999-00-866-6211INTERCHANGEABLE
HEATER,THERMAL RELEASE
966499
4310-00-900-1630INTERCHANGEABLE
PISTON,COMPRESSOR
4047
5975-01-071-6897INTERCHANGEABLE
TEST PLUG
4920-01-080-5899INTERCHANGEABLE
CONVERTER,MODULE
DSC-5012-SR-2024
6505-01-201-7010INTERCHANGEABLE
TEST STRIPS,OPHTHALMIC,ROSE BENG
PO-5600
5331-01-299-7322INTERCHANGEABLE
O-RING
79279-006

Frequently Asked Questions

What is NSN 4330-00-274-6350?

NSN 4330-00-274-6350 is a Filter,fluid, manufactured by Parker-Hannifin Corporation, classified under FSC 4330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4330-00-274-6350?

NSN 4330-00-274-6350 has 4 cross-referenced part numbers: X10586-2 (Parker-Hannifin Corporation), ADP4047 (Dielectric Products Co Inc), B-3A1-4B (Parker-Hannifin Corporation), 4047 (Dielectric Products Co Inc).

What NSN replaces 4330-00-274-6350?

There are 11 known substitutes for 4330-00-274-6350: 2815-00-231-5714, 5315-00-349-9438, 5945-00-628-6484 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-3A1-4B?

Key specifications for B-3A1-4B: Design Type: NONREUSABLE; Filtering Element Quantity: 1; Mounting Type: BRACKET W/DRILLED HOLE HEAD SIDE; Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4330-00-274-6350 still in active supply?

NSN 4330-00-274-6350 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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