PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

222701-0001Piston,valve

Marotta Controls Inc · NSN 4820-01-138-1988 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-138-1988 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-138-1988. Primary manufacturer part number: 222701-0001.
Features
  • Piston,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Marotta Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-138-1988, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marotta Controls Inc. This item has 4 commercial cross-references 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.

Catalog Facts
Item NamePiston,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMarotta Controls Inc (CAGE 99657)
Technical Specifications
ParameterValue
NSN4820-01-138-1988
Primary Part Number222701-0001
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMarotta Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-161-4711222273 INTERCHANGEABLE
Socket,plug-in Electronic Compon
L3harris Cincinnati Electronics Corporation
4820-01-138-6939222273-23 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Marotta Controls Inc
Cross-Reference Index
Part NumberManufacturer
222701-1 Marotta Controls Inc (USA)
222701-0001 PRIMARY Marotta Controls Inc (USA)
222273 PART 222701-1 Marotta Controls Inc (USA)
222273 Marotta Controls Inc (USA)
Related Parts
5935-00-161-4711INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
222273
4820-01-138-6939INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
222273-23

Frequently Asked Questions

What is NSN 4820-01-138-1988?

NSN 4820-01-138-1988 is a Piston,valve, manufactured by Marotta Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-138-1988?

NSN 4820-01-138-1988 has 4 cross-referenced part numbers: 222701-1 (Marotta Controls Inc), 222701-0001 (Marotta Controls Inc), 222273 PART 222701-1 (Marotta Controls Inc), 222273 (Marotta Controls Inc).

What NSN replaces 4820-01-138-1988?

There are 2 known substitutes for 4820-01-138-1988: 5935-00-161-4711, 4820-01-138-6939. Verify interchangeability with system specifications before substitution.

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