PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51655Housing,full Flow

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4420-01-464-1745 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-464-1745 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-464-1745. Primary manufacturer part number: 51655.
Features
  • Housing,full Flow — FSC 4420
  • Overall Diameter: 4.000 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING AND COPPER ALLOY
  • Surface Treatment: NICKEL
  • 2 verified cross-references
  • Primary manufacturer: Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Applications
  • Applications requiring Steel Corrosion Resisting and Copper Alloy construction
General Description

The Housing,full Flow, cataloged under National Stock Number 4420-01-464-1745, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-464-1745
Primary Part Number51655
Item NameHousing,full Flow
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
Overall Diameter4.000 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING AND COPPER ALLOY
Surface TreatmentNICKEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-159-024410-102-1 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5950-00-411-061951655 INTERCHANGEABLE
Coil,radio Frequency
Cae Inc
5306-00-736-40785306AC1-020-3 INTERCHANGEABLE
Bolt,shoulder
Us Army Aviation and Missile Command
4330-01-197-710551655 INTERCHANGEABLE
Filter Element,fluid
Leroi International Inc Dba Compair Leroi
2920-01-210-042151647 INTERCHANGEABLE
Vibrator,ignition Coil
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
51100-1 PC25 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
51655 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
5940-00-159-0244INTERCHANGEABLE
TERMINAL,STUD
10-102-1
5950-00-411-0619INTERCHANGEABLE
COIL,RADIO FREQUENCY
51655
5306-00-736-4078INTERCHANGEABLE
BOLT,SHOULDER
5306AC1-020-3
4330-01-197-7105INTERCHANGEABLE
FILTER ELEMENT,FLUID
51655
2920-01-210-0421INTERCHANGEABLE
VIBRATOR,IGNITION COIL
51647

Frequently Asked Questions

What is NSN 4420-01-464-1745?

NSN 4420-01-464-1745 is a Housing,full Flow, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-464-1745?

NSN 4420-01-464-1745 has 2 cross-referenced part numbers: 51100-1 PC25 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), 51655 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4420-01-464-1745?

There are 5 known substitutes for 4420-01-464-1745: 5940-00-159-0244, 5950-00-411-0619, 5306-00-736-4078 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51655?

Key specifications for 51655: Overall Diameter: 4.000 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING AND COPPER ALLOY; Special Features: FULL FLOW PARTICULATE FILTER HOUSING; Surface Treatment: NICKEL. 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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