PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32-27Heater,processor,ph

Simplex Specialty Co Inc · NSN 4540-00-497-0689 · FSC 4540 · No Item Name Available
Verified by PartsTable
NSN 4540-00-497-0689 — this item is cataloged by the U.S. Government under National Stock Number 4540-00-497-0689. Primary manufacturer part number: 32-27.
Features
  • Heater,processor,ph — FSC 4540
  • 1 verified cross-reference
  • Primary manufacturer: Simplex Specialty Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,processor,ph, cataloged under National Stock Number 4540-00-497-0689, is classified within Federal Supply Class 4540 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Simplex Specialty Co Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHeater,processor,ph
FSC / FSG4540 — No Item Name Available (FSG 45)
ManufacturersSimplex Specialty Co Inc (CAGE 54973)
Technical Specifications
ParameterValue
NSN4540-00-497-0689
Primary Part Number32-27
Item NameHeater,processor,ph
FSC / FSG4540 / 45 — No Item Name Available
ManufacturerSimplex Specialty Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-112-527212Z13116-14 INTERCHANGEABLE
Switch,toggle
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-159-1660177030-35 INTERCHANGEABLE
Bearing,roller,needle
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
9320-00-244-0192 INTERCHANGEABLE
Rubber Sheet,solid
5310-00-413-00862679 INTERCHANGEABLE
Washer,flat
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5315-00-597-79840219986-7 INTERCHANGEABLE
Pin,straight,headless
Agco Corp Parts Opn
5930-00-642-935415879-1 INTERCHANGEABLE
Switch,rotary
Pax Mfg Corp Hammarlund Mfg Co Div
3120-00-662-34883227 INTERCHANGEABLE
Bearing,sleeve
Avox Systems Inc Dba Avox Systems Inc
2920-00-976-0539480178 INTERCHANGEABLE
Drive,engine,electrical Starter
Purolator Products Co Div Motor Components, Llc
5935-00-988-897132-27 INTERCHANGEABLE
Connector,plug,electrical
Te Connectivity Corporation Dba Microdot Products
2040-01-115-1275322007PLB INTERCHANGEABLE
Thru-Hull
Perko Inc
Cross-Reference Index
Part NumberManufacturer
32-27 Simplex Specialty Co Inc (USA)
Related Parts
5930-00-112-5272INTERCHANGEABLE
SWITCH,TOGGLE
12Z13116-14
3110-00-159-1660INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
177030-35
9320-00-244-0192INTERCHANGEABLE
RUBBER SHEET,SOLID
5310-00-413-0086INTERCHANGEABLE
WASHER,FLAT
2679
5315-00-597-7984INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
0219986-7
5930-00-642-9354INTERCHANGEABLE
SWITCH,ROTARY
15879-1
3120-00-662-3488INTERCHANGEABLE
BEARING,SLEEVE
3227
2920-00-976-0539INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
480178
5935-00-988-8971INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
32-27
2040-01-115-1275INTERCHANGEABLE
THRU-HULL
322007PLB
6645-01-132-1838INTERCHANGEABLE
SERVO ASSEMBLY
1152
5315-01-160-1866INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
3227

Frequently Asked Questions

What is NSN 4540-00-497-0689?

NSN 4540-00-497-0689 is a Heater,processor,ph, manufactured by Simplex Specialty Co Inc, classified under FSC 4540 (No Item Name Available). Status: active.

What are the part numbers for NSN 4540-00-497-0689?

NSN 4540-00-497-0689 has 1 cross-referenced part number: 32-27 (Simplex Specialty Co Inc).

What NSN replaces 4540-00-497-0689?

There are 12 known substitutes for 4540-00-497-0689: 5930-00-112-5272, 3110-00-159-1660, 9320-00-244-0192 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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