PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12K3Disk,valve

Ingersoll-Rand Company Dba Rotary Compressor Division · NSN 4820-00-614-5506 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-614-5506 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-614-5506. Primary manufacturer part number: 12K3.
Features
  • Disk,valve — FSC 4820
  • Style Designator: PLAIN
  • Outside Diameter: 1.281 INCHES NOMINAL IN
  • Inside Diameter: 0.615 INCHES NOMINAL IN
  • Material: STEEL
  • 6 verified cross-references
  • Primary manufacturer: Ingersoll-Rand Company Dba Rotary Compressor Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-614-5506, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ingersoll-Rand Company Dba Rotary Compressor Division. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-614-5506
Primary Part Number12K3
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerIngersoll-Rand Company Dba Rotary Compressor Division
StatusCANCELLED
Style DesignatorPLAIN
Outside Diameter1.281 INCHES NOMINAL IN
Inside Diameter0.615 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6140-00-431-6805ANSI 1.2K3 INTERCHANGEABLE
Battery,storage
American National Standards Institute Incorporated Dba American National Standards Institute
5905-00-970-6092900532-78 INTERCHANGEABLE
Resistor,fixed,wire Wound
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3120-01-495-287907.0711.0043 INTERCHANGEABLE
Bushing
Terex American Crane Corp
Cross-Reference Index
Part NumberManufacturer
128278 Celtrac Corp (USA)
182952PC124 Ingersoll Rand Co (USA)
12K3 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
12K3 Ingersoll Rand Co (USA)
12K3 PRIMARY Ingersoll-Rand Company Dba Rotary Compressor Division (USA)
06H73 PRIMARY Union Carbide Corp Sub of Dow Co the (USA)
Related Parts
6140-00-431-6805INTERCHANGEABLE
BATTERY,STORAGE
ANSI 1.2K3
5905-00-970-6092INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
900532-78
3120-01-495-2879INTERCHANGEABLE
BUSHING
07.0711.0043

Frequently Asked Questions

What is NSN 4820-00-614-5506?

NSN 4820-00-614-5506 is a Disk,valve, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-614-5506?

NSN 4820-00-614-5506 has 6 cross-referenced part numbers: 128278 (Celtrac Corp), 182952PC124 (Ingersoll Rand Co), 12K3 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture), 12K3 (Ingersoll Rand Co), 12K3 (Ingersoll-Rand Company Dba Rotary Compressor Division) and 1 more.

What NSN replaces 4820-00-614-5506?

There are 3 known substitutes for 4820-00-614-5506: 6140-00-431-6805, 5905-00-970-6092, 3120-01-495-2879. Verify interchangeability with system specifications before substitution.

What are the specifications of 12K3?

Key specifications for 12K3: Style Designator: PLAIN; Outside Diameter: 1.281 INCHES NOMINAL IN; Inside Diameter: 0.615 INCHES NOMINAL IN; Overall Height: 0.048 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-614-5506 still in active supply?

NSN 4820-00-614-5506 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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