PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

981431Impeller,pump,centrifugal

Blackmer System One, Inc. Div Blackmer System One, Inc. · NSN 4320-01-513-8141 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-513-8141 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-513-8141. Primary manufacturer part number: 981431.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Design Type: SINGLE WIDTH
  • Material: STEEL CORROSION RESISTING
  • Blade Quantity: 5
  • Rotation Direction for Which Designed: CLOCKWISE
  • Overall Diameter: 10.500 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Blackmer System One, Inc. Div Blackmer System One, Inc.
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-513-8141, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Blackmer System One, Inc. Div Blackmer System One, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-513-8141
Primary Part Number981431
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerBlackmer System One, Inc. Div Blackmer System One, Inc.
StatusACTIVE
Design TypeSINGLE WIDTH
MaterialSTEEL CORROSION RESISTING
Blade Quantity5
Rotation Direction for Which DesignedCLOCKWISE
Overall Diameter10.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6505-01-468-3063W7-4 INTERCHANGEABLE
Water,optima,grade
Fisher Scientific Company L.l.c.
Cross-Reference Index
Part NumberManufacturer
981431 Blackmer System One, Inc. Div Blackmer System One, Inc. (USA)
10124 ITEM NO 2 10.50IN Blackmer System One, Inc. Div Blackmer System One, Inc. (USA)
10124 Blackmer System One, Inc. Div Blackmer System One, Inc. (USA)
981431 10.50IN Blackmer System One, Inc. Div Blackmer System One, Inc. (USA)
Related Parts
6505-01-468-3063INTERCHANGEABLE
WATER,OPTIMA,GRADE
W7-4

Frequently Asked Questions

What is NSN 4320-01-513-8141?

NSN 4320-01-513-8141 is a Impeller,pump,centrifugal, manufactured by Blackmer System One, Inc. Div Blackmer System One, Inc., classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-513-8141?

NSN 4320-01-513-8141 has 4 cross-referenced part numbers: 981431 (Blackmer System One, Inc. Div Blackmer System One, Inc.), 10124 ITEM NO 2 10.50IN (Blackmer System One, Inc. Div Blackmer System One, Inc.), 10124 (Blackmer System One, Inc. Div Blackmer System One, Inc.), 981431 10.50IN (Blackmer System One, Inc. Div Blackmer System One, Inc.).

What NSN replaces 4320-01-513-8141?

There is 1 known substitute for 4320-01-513-8141: 6505-01-468-3063. Verify interchangeability with system specifications before substitution.

What are the specifications of 981431?

Key specifications for 981431: Design Type: SINGLE WIDTH; Material: STEEL CORROSION RESISTING; Part Name Assigned by Controlling Agency: IMPELLER,PUMP,CENTRIFUGAL; Overall Width: 4.660 INCHES NOMINAL IN. 9 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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