PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A20-221-2Valve Assembly

Pak-Mor Mfg Co · NSN 4820-01-103-5184 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-103-5184 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-103-5184. Primary manufacturer part number: A20-221-2.
Features
  • Valve Assembly — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Pak-Mor Mfg Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly, cataloged under National Stock Number 4820-01-103-5184, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pak-Mor Mfg Co. 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.

Catalog Facts
Item NameValve Assembly
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersPak-Mor Mfg Co (CAGE 97106)
Technical Specifications
ParameterValue
NSN4820-01-103-5184
Primary Part NumberA20-221-2
Item NameValve Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPak-Mor Mfg Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6810-00-268-9951 INTERCHANGEABLE
Nitric Acid,fuming
Cross-Reference Index
Part NumberManufacturer
A20-221-2 PRIMARY Pak-Mor Mfg Co (USA)
Related Parts
6810-00-268-9951INTERCHANGEABLE
NITRIC ACID,FUMING

Frequently Asked Questions

What is NSN 4820-01-103-5184?

NSN 4820-01-103-5184 is a Valve Assembly, manufactured by Pak-Mor Mfg Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-103-5184?

NSN 4820-01-103-5184 has 1 cross-referenced part number: A20-221-2 (Pak-Mor Mfg Co).

What NSN replaces 4820-01-103-5184?

There is 1 known substitute for 4820-01-103-5184: 6810-00-268-9951. Verify interchangeability with system specifications before substitution.

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