PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NF121NMFan,circulating

Penn Metal Fabricators Inc · NSN 4140-00-836-0475 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-836-0475 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-836-0475. Primary manufacturer part number: NF121NM.
Features
  • Fan,circulating — FSC 4140
  • Diameter: 12.000 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: TA12NM TYPE AND 2 CLASS
  • Rotation Direction for Which Designed: CLOCKWISE
  • Frequency in Hertz: 60.0
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Voltage in Volts and Current Type: 115.0 AC
  • Drive Type: DIRECT
Applications
  • Applications requiring Steel Overall construction
General Description

The Fan,circulating, cataloged under National Stock Number 4140-00-836-0475, 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 Penn Metal Fabricators Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-836-0475
Primary Part NumberNF121NM
Item NameFan,circulating
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerPenn Metal Fabricators Inc
StatusACTIVE
Diameter12.000 INCHES NOMINAL IN
Nondefinitive Spec/std DataTA12NM TYPE AND 2 CLASS
Rotation Direction for Which DesignedCLOCKWISE
Frequency in Hertz60.0
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Voltage in Volts and Current Type115.0 AC
Drive TypeDIRECT
Prime Mover TypeELECTRIC MOTOR
Electrical Connection TypeWIRE LEAD
PhaseSINGLE
Prime Mover Power Rating67.0 WATTS
Features ProvidedSAFETY IMPELLER GUARD
Prime Mover Drive Shaft Bearing TypeBALL
Inclosure TypeFULLY INCLOSED
Environmental ProtectionSPLASH PROOF
MaterialSTEEL OVERALL
Flow DirectionOUTWARD
Speed AdjustmentsTWO SPEED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4140-00-255-7798 INTERCHANGEABLE
Fan,circulating
4140-00-255-7800 INTERCHANGEABLE
Fan,circulating
Cross-Reference Index
Part NumberManufacturer
NF121NM PRIMARY Penn Metal Fabricators Inc (USA)
TA12 NON-MAGNETIC Sunbeam Corp Phil Rich Fan Div (USA)
MIL-F-68 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LJ106 Lejohn Mfg Co Inc (USA)
41210 NON-MAGNETIC Penn Metal Fabricators Inc (USA)
Related Parts
4140-00-255-7798INTERCHANGEABLE
FAN,CIRCULATING
4140-00-255-7800INTERCHANGEABLE
FAN,CIRCULATING

Frequently Asked Questions

What is NSN 4140-00-836-0475?

NSN 4140-00-836-0475 is a Fan,circulating, manufactured by Penn Metal Fabricators Inc, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-836-0475?

NSN 4140-00-836-0475 has 5 cross-referenced part numbers: NF121NM (Penn Metal Fabricators Inc), TA12 NON-MAGNETIC (Sunbeam Corp Phil Rich Fan Div), MIL-F-68 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LJ106 (Lejohn Mfg Co Inc), 41210 NON-MAGNETIC (Penn Metal Fabricators Inc).

What NSN replaces 4140-00-836-0475?

There are 2 known substitutes for 4140-00-836-0475: 4140-00-255-7798, 4140-00-255-7800. Verify interchangeability with system specifications before substitution.

What are the specifications of NF121NM?

Key specifications for NF121NM: Diameter: 12.000 INCHES NOMINAL IN; Nondefinitive Spec/std Data: TA12NM TYPE AND 2 CLASS; Rotation Direction for Which Designed: CLOCKWISE; Frequency in Hertz: 60.0. 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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