PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

234-5Impeller,fan,centrifugal

Harvey Sid Inc · NSN 4140-01-257-1089 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-257-1089 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-257-1089. Primary manufacturer part number: 234-5.
Features
  • Impeller,fan,centrifugal — FSC 4140
  • Material: STEEL OVERALL
  • Diameter: 6.250 INCHES NOMINAL IN
  • Width: 3.750 INCHES NOMINAL IN
  • Rotation Direction for Which Designed: CLOCKWISE
  • Blade Quantity: 42
  • 2 verified cross-references
  • Primary manufacturer: Harvey Sid Inc
Applications
  • Applications requiring Steel Overall construction
General Description

The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-257-1089, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Harvey Sid Inc. Government technical data includes 5 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-257-1089
Primary Part Number234-5
Item NameImpeller,fan,centrifugal
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerHarvey Sid Inc
StatusACTIVE
MaterialSTEEL OVERALL
Diameter6.250 INCHES NOMINAL IN
Width3.750 INCHES NOMINAL IN
Rotation Direction for Which DesignedCLOCKWISE
Blade Quantity42
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5930-00-073-363123405 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
4720-00-126-459023-405 INTERCHANGEABLE
Hose Assembly,nonmetallic
Erickson Corp
4140-00-489-867623405 INTERCHANGEABLE
Fan,circulating
Emcore Corporation Div Concord Division
4820-00-710-8116N23405 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
1650-01-182-9906323912 INTERCHANGEABLE
Filter Assembly,hydraulic Reserv
Donaldson Company, Inc.
5940-01-223-248729711 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5985-01-276-27032898679-11 INTERCHANGEABLE
Coupler,directional
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6520-01-594-196552667 INTERCHANGEABLE
Ringless System,dental Casting
Bego Usa Inc
Cross-Reference Index
Part NumberManufacturer
234-5 Harvey Sid Inc (USA)
234-0.5 Harvey Sid Inc (USA)
Related Parts
5930-00-073-3631INTERCHANGEABLE
SWITCH,FLOW
23405
4720-00-126-4590INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
23-405
4140-00-489-8676INTERCHANGEABLE
FAN,CIRCULATING
23405
4820-00-710-8116INTERCHANGEABLE
DISK,VALVE
N23405
1650-01-182-9906INTERCHANGEABLE
FILTER ASSEMBLY,HYDRAULIC RESERV
323912
5940-01-223-2487INTERCHANGEABLE
TERMINAL,LUG
29711
5985-01-276-2703INTERCHANGEABLE
COUPLER,DIRECTIONAL
2898679-11
6520-01-594-1965INTERCHANGEABLE
RINGLESS SYSTEM,DENTAL CASTING
52667

Frequently Asked Questions

What is NSN 4140-01-257-1089?

NSN 4140-01-257-1089 is a Impeller,fan,centrifugal, manufactured by Harvey Sid Inc, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-257-1089?

NSN 4140-01-257-1089 has 2 cross-referenced part numbers: 234-5 (Harvey Sid Inc), 234-0.5 (Harvey Sid Inc).

What NSN replaces 4140-01-257-1089?

There are 8 known substitutes for 4140-01-257-1089: 5930-00-073-3631, 4720-00-126-4590, 4140-00-489-8676 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 234-5?

Key specifications for 234-5: Material: STEEL OVERALL; Diameter: 6.250 INCHES NOMINAL IN; Special Features: 234-5 IS A SID HARVEY PART NUMBER FOR A CARLIN BURNER FAN FOR CARLIN MODEL 600 AND 700 BURNERS FAN DIAMETER 6-5/16" WIDTH 5".; Width: 3.750 INCHES NOMINAL IN. 7 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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