PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-15017Valve,vacuum Breaking

Como Industrial Equipment, Inc. Dba Como Filtration Systems · NSN 4820-01-280-4021 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-280-4021 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-280-4021. Primary manufacturer part number: 3-15017.
Features
  • Valve,vacuum Breaking — FSC 4820
  • Body Style: STRAIGHT THRU
  • Material: COPPER ALLOY BODY
  • Flow Control Device: DISK, LIFT
  • End Connection Quantity: 2
  • Second End Relationship with First End: IDENTICAL
  • First End Nominal Pipe Size Accommodated: 0.500 INCHES IN
  • First End Thread Direction: RIGHT-HAND
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-280-4021, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Como Industrial Equipment, Inc. Dba Como Filtration Systems. Government technical data includes 9 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-280-4021
Primary Part Number3-15017
Item NameValve,vacuum Breaking
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerComo Industrial Equipment, Inc. Dba Como Filtration Systems
StatusACTIVE
Body StyleSTRAIGHT THRU
MaterialCOPPER ALLOY BODY
Flow Control DeviceDISK, LIFT
End Connection Quantity2
Second End Relationship with First EndIDENTICAL
First End Nominal Pipe Size Accommodated0.500 INCHES IN
First End Thread DirectionRIGHT-HAND
First End Connection TypeTHREADED INTERNAL PIPE
Media for Which DesignedAIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-369-7392C5-15-4426-3 INTERCHANGEABLE
Switch,thermostatic
Edgewood Chemical Biological Center Ecbc
5965-01-561-8277315-017 INTERCHANGEABLE
Mouthpiece,microphone
Kirby Morgan Dive Systems Inc
Cross-Reference Index
Part NumberManufacturer
3-15017 Como Industrial Equipment, Inc. Dba Como Filtration Systems (USA)
Related Parts
5930-00-369-7392INTERCHANGEABLE
SWITCH,THERMOSTATIC
C5-15-4426-3
5965-01-561-8277INTERCHANGEABLE
MOUTHPIECE,MICROPHONE
315-017

Frequently Asked Questions

What is NSN 4820-01-280-4021?

NSN 4820-01-280-4021 is a Valve,vacuum Breaking, manufactured by Como Industrial Equipment, Inc. Dba Como Filtration Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-280-4021?

NSN 4820-01-280-4021 has 1 cross-referenced part number: 3-15017 (Como Industrial Equipment, Inc. Dba Como Filtration Systems).

What NSN replaces 4820-01-280-4021?

There are 2 known substitutes for 4820-01-280-4021: 5930-00-369-7392, 5965-01-561-8277. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-15017?

Key specifications for 3-15017: Body Style: STRAIGHT THRU; Material: COPPER ALLOY BODY; Flow Control Device: DISK, LIFT; End Connection Quantity: 2. 10 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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