PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19273-1Valve,regulating,fuel Oil

Drs Environmental Systems Inc · NSN 4530-01-186-9442 · FSC 4530 · No Item Name Available
Verified by PartsTable
NSN 4530-01-186-9442 — this item is cataloged by the U.S. Government under National Stock Number 4530-01-186-9442. Primary manufacturer part number: 19273-1.
Features
  • Valve,regulating,fuel Oil — FSC 4530
  • 8 verified cross-references
  • Primary manufacturer: Drs Environmental Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fuel Oil, cataloged under National Stock Number 4530-01-186-9442, 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 Drs Environmental Systems Inc. This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,regulating,fuel Oil
FSC / FSG4530 — No Item Name Available (FSG 45)
ManufacturersDrs Environmental Systems Inc (CAGE 5RQL2); Engineered Air Systems, Inc. Dba Drs Sustainment Systems (CAGE 90598); Trw Limited T/a Trw Automotive Aftermarket Operation (CAGE K1089); Contactum Ltd (CAGE K1031)
Technical Specifications
ParameterValue
NSN4530-01-186-9442
Primary Part Number19273-1
Item NameValve,regulating,fuel Oil
FSC / FSG4530 / 45 — No Item Name Available
ManufacturerDrs Environmental Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-019-814326405 INTERCHANGEABLE
Gasket
Napco International Llc Dba Napco International Inc
5330-00-545-134826405 INTERCHANGEABLE
Gasket
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
4720-00-990-168826405 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5996-01-041-4946343A-4502 INTERCHANGEABLE
Amplifier Assembly
Fluke Corp
2520-01-177-48672-64051 INTERCHANGEABLE
Yoke,universal Joint,vehicular
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5985-01-226-999226405 INTERCHANGEABLE
Dummy Load,electrical
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5998-01-310-353826405 INTERCHANGEABLE
Circuit Card Assembly
Spectral Dynamics Inc
5310-01-533-4889 INTERCHANGEABLE
Nut Blank
4730-01-623-274926405 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Multiquip Inc. Dba Multiquip Inc
6220-01-649-354126405 INTERCHANGEABLE
Reflector,light
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
19273-1 Drs Environmental Systems Inc (USA)
26405-1 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
5-45-5081 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
5-45-5081 Drs Environmental Systems Inc (USA)
19273-1 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
73092B Trw Limited T/a Trw Automotive Aftermarket Operation (GBR)
73092B Contactum Ltd (GBR)
26405 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
Related Parts
5330-00-019-8143INTERCHANGEABLE
GASKET
26405
5330-00-545-1348INTERCHANGEABLE
GASKET
26405
4720-00-990-1688INTERCHANGEABLE
HOSE,PREFORMED
26405
5996-01-041-4946INTERCHANGEABLE
AMPLIFIER ASSEMBLY
343A-4502
2520-01-177-4867INTERCHANGEABLE
YOKE,UNIVERSAL JOINT,VEHICULAR
2-64051
5985-01-226-9992INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
26405
5998-01-310-3538INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
26405
5310-01-533-4889INTERCHANGEABLE
NUT BLANK
4730-01-623-2749INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
26405
6220-01-649-3541INTERCHANGEABLE
REFLECTOR,LIGHT
26405
5905-01-667-5272INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON

Frequently Asked Questions

What is NSN 4530-01-186-9442?

NSN 4530-01-186-9442 is a Valve,regulating,fuel Oil, manufactured by Drs Environmental Systems Inc, classified under FSC 4530 (No Item Name Available). Status: active.

What are the part numbers for NSN 4530-01-186-9442?

NSN 4530-01-186-9442 has 8 cross-referenced part numbers: 19273-1 (Drs Environmental Systems Inc), 26405-1 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), 5-45-5081 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), 5-45-5081 (Drs Environmental Systems Inc), 19273-1 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems) and 3 more.

What NSN replaces 4530-01-186-9442?

There are 11 known substitutes for 4530-01-186-9442: 5330-00-019-8143, 5330-00-545-1348, 4720-00-990-1688 and 8 more. Verify interchangeability with system specifications before substitution.

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