PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6661-1-4Valve,metering

Alkon Products Corp · NSN 4820-01-061-4981 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-061-4981 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-061-4981. Primary manufacturer part number: 6661-1-4.
Features
  • Valve,metering — FSC 4820
  • General Characteristics Item Description: ALUMINUM;MEDIA AIR;STEEL METERING DEVICE;1/4 IN. END CONNECTION IN
  • 1 verified cross-reference
  • Primary manufacturer: Alkon Products Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,metering, cataloged under National Stock Number 4820-01-061-4981, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Alkon Products Corp. Government technical data includes 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-061-4981
Primary Part Number6661-1-4
Item NameValve,metering
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAlkon Products Corp
StatusACTIVE
General Characteristics Item DescriptionALUMINUM;MEDIA AIR;STEEL METERING DEVICE;1/4 IN. END CONNECTION IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-645-89722333 INTERCHANGEABLE
Transformer,power
Precision Electronics, Inc
Cross-Reference Index
Part NumberManufacturer
6661-1-4 Alkon Products Corp (USA)
Related Parts
5950-00-645-8972INTERCHANGEABLE
TRANSFORMER,POWER
2333

Frequently Asked Questions

What is NSN 4820-01-061-4981?

NSN 4820-01-061-4981 is a Valve,metering, manufactured by Alkon Products Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-061-4981?

NSN 4820-01-061-4981 has 1 cross-referenced part number: 6661-1-4 (Alkon Products Corp).

What NSN replaces 4820-01-061-4981?

There is 1 known substitute for 4820-01-061-4981: 5950-00-645-8972. Verify interchangeability with system specifications before substitution.

What are the specifications of 6661-1-4?

Key specifications for 6661-1-4: General Characteristics Item Description: ALUMINUM;MEDIA AIR;STEEL METERING DEVICE;1/4 IN. END CONNECTION IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com