PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C11991Filter,fluid

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4330-01-023-7107 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-023-7107 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-023-7107. Primary manufacturer part number: C11991.
Features
  • Filter,fluid — FSC 4330
  • First Discharge Connection Relationship to Intake Connection: IDENTICAL TO FIRST INTAKE CONNECTION
  • Filtering Element Quantity: 1
  • Mounting Type: INLET CONNECTION AND OUTLET CONNECTION HEAD
  • First Intake Thread Direction: RIGHT-HAND
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
  • Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE
  • Design Type: REUSABLE
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,fluid, cataloged under National Stock Number 4330-01-023-7107, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 12 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
NSN4330-01-023-7107
Primary Part NumberC11991
Item NameFilter,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
First Discharge Connection Relationship to Intake ConnectionIDENTICAL TO FIRST INTAKE CONNECTION
Filtering Element Quantity1
Mounting TypeINLET CONNECTION AND OUTLET CONNECTION HEAD
First Intake Thread DirectionRIGHT-HAND
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Filtering Media DesignPERFORATED SINGLE FILTERING MEDIA RESPONSE
Design TypeREUSABLE
Body Height12.688 INCHES NOMINAL IN
First Intake Thread Series DesignatorNPT
Body Width4.375 INCHES NOMINAL IN
Filtration Rating in Microns5.0 NOMINAL
First Intake Connection TypeTHREADED INTERNAL PIPE HEAD SIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4720-00-227-7407MB11961 INTERCHANGEABLE
Hose Assembly,metallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
6665-00-490-361008-11961 INTERCHANGEABLE
Probe,sampling,gas Indicator
Mine Safety Appliances Company
5950-00-706-9403 INTERCHANGEABLE
Coil,radio Frequency
5110-01-057-440611-961 INTERCHANGEABLE
Blade,knife
The Stanley Works Dba Stanley Proto
5845-01-210-565411961 INTERCHANGEABLE
Module,interference
Nautel C-Tech Limited
4720-01-246-590911-961 INTERCHANGEABLE
Hose,preformed
Thermo King Corporation Dba Phoenix Global Distirbution.
6220-01-482-76501196(1) INTERCHANGEABLE
Light,navigational,marine
Perko Inc
4720-01-487-470211961 INTERCHANGEABLE
Hose Assembly,nonmetallic
Haldex Brake Products Corporation
5950-01-577-63005M2886-2 INTERCHANGEABLE
Transformer,radio Frequency
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
11961 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
C11991 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
C11961 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
4720-00-227-7407INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
MB11961
6665-00-490-3610INTERCHANGEABLE
PROBE,SAMPLING,GAS INDICATOR
08-11961
5950-00-706-9403INTERCHANGEABLE
COIL,RADIO FREQUENCY
5110-01-057-4406INTERCHANGEABLE
BLADE,KNIFE
11-961
5845-01-210-5654INTERCHANGEABLE
MODULE,INTERFERENCE
11961
4720-01-246-5909INTERCHANGEABLE
HOSE,PREFORMED
11-961
6220-01-482-7650INTERCHANGEABLE
LIGHT,NAVIGATIONAL,MARINE
1196(1)
4720-01-487-4702INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
11961
5950-01-577-6300INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5M2886-2

Frequently Asked Questions

What is NSN 4330-01-023-7107?

NSN 4330-01-023-7107 is a Filter,fluid, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-01-023-7107?

NSN 4330-01-023-7107 has 3 cross-referenced part numbers: 11961 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), C11991 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), C11961 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4330-01-023-7107?

There are 9 known substitutes for 4330-01-023-7107: 4720-00-227-7407, 6665-00-490-3610, 5950-00-706-9403 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C11991?

Key specifications for C11991: First Discharge Connection Relationship to Intake Connection: IDENTICAL TO FIRST INTAKE CONNECTION; Filtering Element Quantity: 1; Mounting Type: INLET CONNECTION AND OUTLET CONNECTION HEAD; First Intake Thread Direction: RIGHT-HAND. 12 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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