PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-163-201Filter,fluid

Wm W Nugent & Co Inc · NSN 4330-01-423-2981 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-423-2981 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-423-2981. Primary manufacturer part number: 12-163-201.
Features
  • Filter,fluid — FSC 4330
  • Filtration Rating in Microns: 25.0 NOMINAL
  • Body Outside Diameter: 6.625 INCHES NOMINAL IN
  • Material: STEEL CONTAINER/CARTRIDGE
  • Filtering Element Quantity: 1
  • Body Height: 22.437 INCHES NOMINAL IN
  • First Intake Connection Type: THREADED INTERNAL PIPE HEAD
  • Material: IRON BODY
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Steel Container/cartridge construction
General Description

The Filter,fluid, cataloged under National Stock Number 4330-01-423-2981, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Wm W Nugent & Co Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-01-423-2981
Primary Part Number12-163-201
Item NameFilter,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerWm W Nugent & Co Inc
StatusACTIVE
Filtration Rating in Microns25.0 NOMINAL
Body Outside Diameter6.625 INCHES NOMINAL IN
MaterialSTEEL CONTAINER/CARTRIDGE
Filtering Element Quantity1
Body Height22.437 INCHES NOMINAL IN
First Intake Connection TypeTHREADED INTERNAL PIPE HEAD
MaterialIRON BODY
First Intake Thread Series DesignatorNPT
Media for Which DesignedFUEL/OIL, HYDROCARBON
First Intake Nominal Thread Size1.000 INCHES IN
Filtering System for Which DesignedFULL FLOW
Design TypeREUSABLE
Mounting TypeINLET CONNECTION AND OUTLET CONNECTION HEAD
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Style DesignatorUNTHREADED SHELL
Features ProvidedAIR BLEED VALVE AND DRAIN PLUG
Filtering Media DesignPLEATED SINGLE FILTERING MEDIA RESPONSE
First Intake Thread DirectionRIGHT-HAND
First Discharge Connection Relationship to Intake ConnectionIDENTICAL TO FIRST INTAKE CONNECTION
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
MaterialPAPER FILTERING MEDIUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5136-00-261-3261 INTERCHANGEABLE
Tap,thread Cutting
5342-00-598-90191216-3 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
3040-01-097-5400121-6-3 INTERCHANGEABLE
Shaft,straight
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
2530-01-295-9815 INTERCHANGEABLE
Camshaft,actuating,brake Shoe
5950-01-345-145512163 INTERCHANGEABLE
Transformer,power
Data Device Corp Dba Beta Transformer Technology
4330-01-423-295033-229-207 INTERCHANGEABLE
Filter Element,fluid
Wm W Nugent & Co Inc
4330-01-423-295433-260-202 INTERCHANGEABLE
Head,fluid Filter
Wm W Nugent & Co Inc
4730-01-423-654901-021-026 INTERCHANGEABLE
Plug,pipe
Wm W Nugent & Co Inc
4330-01-446-138212-104-206 INTERCHANGEABLE
Filter,fluid
Wm W Nugent & Co Inc
Cross-Reference Index
Part NumberManufacturer
12-163-201 PRIMARY Wm W Nugent & Co Inc (USA)
1577-1SH-SN-RB25 Wm W Nugent & Co Inc (USA)
12-163 Wm W Nugent & Co Inc (USA)
Related Parts
5136-00-261-3261INTERCHANGEABLE
TAP,THREAD CUTTING
5342-00-598-9019INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
1216-3
3040-01-097-5400INTERCHANGEABLE
SHAFT,STRAIGHT
121-6-3
2530-01-295-9815INTERCHANGEABLE
CAMSHAFT,ACTUATING,BRAKE SHOE
5950-01-345-1455INTERCHANGEABLE
TRANSFORMER,POWER
12163
4330-01-423-2950INTERCHANGEABLE
FILTER ELEMENT,FLUID
33-229-207
4330-01-423-2954INTERCHANGEABLE
HEAD,FLUID FILTER
33-260-202
4730-01-423-6549INTERCHANGEABLE
PLUG,PIPE
01-021-026
4330-01-446-1382INTERCHANGEABLE
FILTER,FLUID
12-104-206

Frequently Asked Questions

What is NSN 4330-01-423-2981?

NSN 4330-01-423-2981 is a Filter,fluid, manufactured by Wm W Nugent & Co Inc, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-01-423-2981?

NSN 4330-01-423-2981 has 3 cross-referenced part numbers: 12-163-201 (Wm W Nugent & Co Inc), 1577-1SH-SN-RB25 (Wm W Nugent & Co Inc), 12-163 (Wm W Nugent & Co Inc).

What NSN replaces 4330-01-423-2981?

There are 9 known substitutes for 4330-01-423-2981: 5136-00-261-3261, 5342-00-598-9019, 3040-01-097-5400 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-163-201?

Key specifications for 12-163-201: Filtration Rating in Microns: 25.0 NOMINAL; Body Outside Diameter: 6.625 INCHES NOMINAL IN; Material: STEEL CONTAINER/CARTRIDGE; Filtering Element Quantity: 1. 22 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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