PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51543Reservoir Assembly,

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4420-01-464-1739 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-464-1739 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-464-1739. Primary manufacturer part number: 51543.
Features
  • Reservoir Assembly, — FSC 4420
  • Material: STEEL CORROSION RESISTING
  • Overall Diameter: 10.000 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Reservoir Assembly,, cataloged under National Stock Number 4420-01-464-1739, 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 2 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-464-1739
Primary Part Number51543
Item NameReservoir Assembly,
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Overall Diameter10.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2810-00-118-170451543 INTERCHANGEABLE
Gasket,carburetor a
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5331-00-165-1944AS3209-225 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
1680-00-279-36745154-3 INTERCHANGEABLE
Cover,seat Back,pilot
Lockheed Martin Corp
5961-00-458-68665-154-3 INTERCHANGEABLE
Semiconductor Device,diode
Bird Electronic Corporation Div Bird Electronic Corp
1650-00-486-184551543 INTERCHANGEABLE
Contact-Stationary
Goodrich Corporation Dba Goodrich Corp
5977-00-521-8272SM-C-314890 INTERCHANGEABLE
Brush,electrical Contact
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
51100-1 PC40 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
51543 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
2810-00-118-1704INTERCHANGEABLE
GASKET,CARBURETOR A
51543
5331-00-165-1944INTERCHANGEABLE
O-RING
AS3209-225
1680-00-279-3674INTERCHANGEABLE
COVER,SEAT BACK,PILOT
5154-3
5961-00-458-6866INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5-154-3
1650-00-486-1845INTERCHANGEABLE
CONTACT-STATIONARY
51543
5977-00-521-8272INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
SM-C-314890

Frequently Asked Questions

What is NSN 4420-01-464-1739?

NSN 4420-01-464-1739 is a Reservoir Assembly,, 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 4420-01-464-1739?

NSN 4420-01-464-1739 has 2 cross-referenced part numbers: 51100-1 PC40 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), 51543 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4420-01-464-1739?

There are 6 known substitutes for 4420-01-464-1739: 2810-00-118-1704, 5331-00-165-1944, 1680-00-279-3674 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51543?

Key specifications for 51543: End Item Identification: USED ON COOLING UNIT MODEL 51100; Overall Height: 16.000 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Overall Diameter: 10.000 INCHES NOMINAL IN. 4 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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