PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-55537Nozzle,oil Burner,pressure Atomi

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4530-01-283-9734 · FSC 4530 · No Item Name Available
Verified by PartsTable
NSN 4530-01-283-9734 — this item is cataloged by the U.S. Government under National Stock Number 4530-01-283-9734. Primary manufacturer part number: A-A-55537.
Features
  • Nozzle,oil Burner,pressure Atomi — FSC 4530
  • Spray Type: HOLLOW
  • Connection Thread Location: EXTERNAL
  • Capacity in Gallons Per Hour: 4.500
  • Adapter: NOT INCLUDED
  • Filter Disc Opening Size in Inches: 0.00075
  • Filter: INCLUDED
  • Spray Angle in Deg: 80.0
Applications
  • Applications requiring Steel Corrosion Resisting Location Not Otherwise Specified construction
General Description

The Nozzle,oil Burner,pressure Atomi, cataloged under National Stock Number 4530-01-283-9734, is classified within Federal Supply Class 4530 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4530-01-283-9734
Primary Part NumberA-A-55537
Item NameNozzle,oil Burner,pressure Atomi
FSC / FSG4530 / 45 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Spray TypeHOLLOW
Connection Thread LocationEXTERNAL
Capacity in Gallons Per Hour4.500
AdapterNOT INCLUDED
Filter Disc Opening Size in Inches0.00075
FilterINCLUDED
Spray Angle in Deg80.0
MaterialSTEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED
Screw Thread Series DesignatorUNEF
Filter Length0.469 INCHES IN
MaterialCOPPER ALLOY FILTER
Strainer ProvisionNOT INCLUDED
Thread Size9/16-24
Overall Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4530-00-274-6332 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
4530-00-274-6337 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
4530-00-276-7836 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
4530-00-419-9132 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
4530-00-421-3896 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
4530-00-467-3388 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
4530-00-582-5108 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
4530-00-706-2966 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
4530-01-003-4134 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
4530-01-485-2234 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
Cross-Reference Index
Part NumberManufacturer
A-A-55537 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS49007-21H80 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AA55537-21-H80 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4530-00-274-6332INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
4530-00-274-6337INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
4530-00-276-7836INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
4530-00-419-9132INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
4530-00-421-3896INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
4530-00-467-3388INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
4530-00-582-5108INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
4530-00-706-2966INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
4530-01-003-4134INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
4530-01-485-2234INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI

Frequently Asked Questions

What is NSN 4530-01-283-9734?

NSN 4530-01-283-9734 is a Nozzle,oil Burner,pressure Atomi, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4530 (No Item Name Available). Status: active.

What are the part numbers for NSN 4530-01-283-9734?

NSN 4530-01-283-9734 has 3 cross-referenced part numbers: A-A-55537 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS49007-21H80 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AA55537-21-H80 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4530-01-283-9734?

There are 10 known substitutes for 4530-01-283-9734: 4530-00-274-6332, 4530-00-274-6337, 4530-00-276-7836 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-55537?

Key specifications for A-A-55537: Spray Type: HOLLOW; Connection Thread Location: EXTERNAL; Capacity in Gallons Per Hour: 4.500; Adapter: NOT INCLUDED. 16 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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