PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4963Impeller,pump,centrifugal

Lear Siegler Inc Sherwood Div · NSN 4320-00-218-2694 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-2694 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-2694. Primary manufacturer part number: 4963.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Keyway Quantity: 1
  • Hub Quantity: 2
  • Keyway Type: STRAIGHT
  • Material: COPPER ALLOY
  • Hub Bore Diameter: 0.875 INCHES NOMINAL AND 2.187 INCHES NOMINAL IN
  • Overall Diameter: 7.000 INCHES NOMINAL IN
  • Keyway Length: 1.250 INCHES NOMINAL IN
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-218-2694, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Lear Siegler Inc Sherwood Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN4320-00-218-2694
Primary Part Number4963
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerLear Siegler Inc Sherwood Div
StatusACTIVE
Keyway Quantity1
Hub Quantity2
Keyway TypeSTRAIGHT
MaterialCOPPER ALLOY
Hub Bore Diameter0.875 INCHES NOMINAL AND 2.187 INCHES NOMINAL IN
Overall Diameter7.000 INCHES NOMINAL IN
Keyway Length1.250 INCHES NOMINAL IN
Blade Quantity4
Design TypeSINGLE WIDTH
Hub Length0.343 INCHES NOMINAL AND 0.500 INCHES NOMINAL IN
Keyway Width0.186 INCHES NOMINAL IN
Rotation Direction for Which DesignedCLOCKWISE
Keyway Depth0.088 INCHES NOMINAL IN
Hub Projection Length Beyond Wheel Side1.448 INCHES MINIMUM AND 1.453 INCHES MAXIMUM IN
Hub LocationBACK SIDE AND FRONT SIDE
Mounting MethodKEY
Blade TypeFORWARD CURVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-043-20984963 INTERCHANGEABLE
Washer,flat
Eaton Aerospace, Llc Dba Jackson South
5930-00-259-81544963 INTERCHANGEABLE
Switch,toggle
Bryant Electric
6625-00-264-7997360-P-2 INTERCHANGEABLE
Meter,electrical Frequency
Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco
5307-00-274-4796 INTERCHANGEABLE
Stud,plain
5950-00-369-82684963 INTERCHANGEABLE
Reactor
Precision Electronics, Inc
6505-01-556-2074NDC00409-1219-01 INTERCHANGEABLE
Naloxone Hydrochloride Injection
Pfizer Inc
Cross-Reference Index
Part NumberManufacturer
4963 Lear Siegler Inc Sherwood Div (USA)
Related Parts
5310-00-043-2098INTERCHANGEABLE
WASHER,FLAT
4963
5930-00-259-8154INTERCHANGEABLE
SWITCH,TOGGLE
4963
6625-00-264-7997INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
360-P-2
5307-00-274-4796INTERCHANGEABLE
STUD,PLAIN
5950-00-369-8268INTERCHANGEABLE
REACTOR
4963
6505-01-556-2074INTERCHANGEABLE
NALOXONE HYDROCHLORIDE INJECTION
NDC00409-1219-01

Frequently Asked Questions

What is NSN 4320-00-218-2694?

NSN 4320-00-218-2694 is a Impeller,pump,centrifugal, manufactured by Lear Siegler Inc Sherwood Div, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-218-2694?

NSN 4320-00-218-2694 has 1 cross-referenced part number: 4963 (Lear Siegler Inc Sherwood Div).

What NSN replaces 4320-00-218-2694?

There are 6 known substitutes for 4320-00-218-2694: 5310-00-043-2098, 5930-00-259-8154, 6625-00-264-7997 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4963?

Key specifications for 4963: Keyway Quantity: 1; Hub Quantity: 2; Keyway Type: STRAIGHT; Overall Width: 2.125 INCHES NOMINAL IN. 18 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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