PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104BPumping Unit,condensate,heating-

Dutton Boiler Division of Hapman-Dutton Co · NSN 4520-00-132-5602 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-132-5602 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-132-5602. Primary manufacturer part number: 104B.
Features
  • Pumping Unit,condensate,heating- — FSC 4520
  • Current Rating in Amps: 2.1
  • Radiation Capacity in Square Feet: 6975.0
  • Frequency Rating: 60.0 HERTZ NOMINAL
  • Electric Motor RPM: 1750.0
  • Electric Motor Horsepower Rating: 1.500
  • Water Capacity in Gallons Per Minute: 7.0
  • Current Type: AC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pumping Unit,condensate,heating-, cataloged under National Stock Number 4520-00-132-5602, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Dutton Boiler Division of Hapman-Dutton Co. Government technical data includes 16 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-132-5602
Primary Part Number104B
Item NamePumping Unit,condensate,heating-
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerDutton Boiler Division of Hapman-Dutton Co
StatusACTIVE
Current Rating in Amps2.1
Radiation Capacity in Square Feet6975.0
Frequency Rating60.0 HERTZ NOMINAL
Electric Motor RPM1750.0
Electric Motor Horsepower Rating1.500
Water Capacity in Gallons Per Minute7.0
Current TypeAC
Inlet Nominal Pipe Size Accommodated1.250 INCHES IN
Voltage in Volts440.0
Discharge Pressure Capacity in Pounds Per Square Inch100.0
Voltage in Volts220.0
Current Rating in Amps4.2
PhaseTHREE
Unit TypeSINGLE
Accessory Components and QuantityCONTROL,WATER LEVEL 1,REGULATOR,VACUUM 1 AND STARTER,MAGNETIC W/OVERLOAD RELAY 1
Discharge Nominal Pipe Size Accommodated1.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5355-00-065-5084MS91528-104B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-00-256-981100104-0004-1 INTERCHANGEABLE
Cup,oil,lubricating
Gits Mfg Co Inc
5965-00-463-3929101C INTERCHANGEABLE
Microphone,carbon
Shure Bros Inc
2520-00-497-1669 INTERCHANGEABLE
Cable
5905-00-557-416810-4B INTERCHANGEABLE
Resistor,current Regulating
Amperite Co Inc
5940-00-933-7899 INTERCHANGEABLE
Terminal Board
4430-01-023-9775104B INTERCHANGEABLE
Oven,cabinet Air Flow
The Grieve Corporation Dba Grieve Corp
Cross-Reference Index
Part NumberManufacturer
104B Dutton Boiler Division of Hapman-Dutton Co (USA)
Related Parts
5355-00-065-5084INTERCHANGEABLE
KNOB
MS91528-104B
4730-00-256-9811INTERCHANGEABLE
CUP,OIL,LUBRICATING
00104-0004-1
5965-00-463-3929INTERCHANGEABLE
MICROPHONE,CARBON
101C
2520-00-497-1669INTERCHANGEABLE
CABLE
5905-00-557-4168INTERCHANGEABLE
RESISTOR,CURRENT REGULATING
10-4B
5940-00-933-7899INTERCHANGEABLE
TERMINAL BOARD
4430-01-023-9775INTERCHANGEABLE
OVEN,CABINET AIR FLOW
104B

Frequently Asked Questions

What is NSN 4520-00-132-5602?

NSN 4520-00-132-5602 is a Pumping Unit,condensate,heating-, manufactured by Dutton Boiler Division of Hapman-Dutton Co, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-132-5602?

NSN 4520-00-132-5602 has 1 cross-referenced part number: 104B (Dutton Boiler Division of Hapman-Dutton Co).

What NSN replaces 4520-00-132-5602?

There are 7 known substitutes for 4520-00-132-5602: 5355-00-065-5084, 4730-00-256-9811, 5965-00-463-3929 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 104B?

Key specifications for 104B: Current Rating in Amps: 2.1; Radiation Capacity in Square Feet: 6975.0; Frequency Rating: 60.0 HERTZ NOMINAL; Electric Motor RPM: 1750.0. 19 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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