PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5021-33Valve,flow Control

Hunt Valve Company, Inc. · NSN 4820-01-559-0554 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-559-0554 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-559-0554. Primary manufacturer part number: 5021-33.
Features
  • Valve,flow Control — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Hunt Valve Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-559-0554, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,flow Control
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersPima Valve, Llc (CAGE 30263); Hunt Valve Company, Inc. (CAGE 11859)
Technical Specifications
ParameterValue
NSN4820-01-559-0554
Primary Part Number5021-33
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-411-3053 INTERCHANGEABLE
Sprocket Wheel
5945-00-442-673210090-3 INTERCHANGEABLE
Solenoid,valve
Federal Industries, Inc. Dba Federal Industries Inc
4730-00-512-194410590 INTERCHANGEABLE
Elbow,pipe to Tube
Terex American Crane Corp
5905-00-727-4513EB3311 INTERCHANGEABLE
Resistor,fixed,composition
Rockwell Automation, Inc. Dba Rockwell Automation
5961-00-788-8395 INTERCHANGEABLE
Semiconductor Device,diode
5330-01-214-1275300835 INTERCHANGEABLE
Retainer,packing
Moog Inc.
7520-01-363-8206502133 INTERCHANGEABLE
Pencil,mechanical
Koh-I-Noor Rapidograph Inc
5985-01-395-274050213-3 INTERCHANGEABLE
Antenna Subassembly
Fisica Applied Technologies, Inc. Div Randtron Antenna Systems
6220-01-417-3328502133 INTERCHANGEABLE
Panel,indicating,light Transmitt
Airco Industries, Inc. Dba Photo Etch Div Photo Etch
5365-01-559-39215021-33-13 INTERCHANGEABLE
Spacer,ring
Hunt Valve Company, Inc.
Cross-Reference Index
Part NumberManufacturer
5021-33 ASSY B1626EAA 2.50IN Pima Valve, Llc (USA)
5021-33 PRIMARY Hunt Valve Company, Inc. (USA)
5021-33 Pima Valve, Llc (USA)
5021-33 ASSY B1626EAA 2.50IN Hunt Valve Company, Inc. (USA)
Related Parts
3020-00-411-3053INTERCHANGEABLE
SPROCKET WHEEL
5945-00-442-6732INTERCHANGEABLE
SOLENOID,VALVE
10090-3
4730-00-512-1944INTERCHANGEABLE
ELBOW,PIPE TO TUBE
10590
5905-00-727-4513INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
EB3311
5961-00-788-8395INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5330-01-214-1275INTERCHANGEABLE
RETAINER,PACKING
300835
7520-01-363-8206INTERCHANGEABLE
PENCIL,MECHANICAL
502133
5985-01-395-2740INTERCHANGEABLE
ANTENNA SUBASSEMBLY
50213-3
6220-01-417-3328INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
502133
5365-01-559-3921INTERCHANGEABLE
SPACER,RING
5021-33-13
5365-01-559-3938INTERCHANGEABLE
SPACER,RING
5021-33-14
4330-01-723-1351INTERCHANGEABLE
FILTER,FLUID
502133

Frequently Asked Questions

What is NSN 4820-01-559-0554?

NSN 4820-01-559-0554 is a Valve,flow Control, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-559-0554?

NSN 4820-01-559-0554 has 4 cross-referenced part numbers: 5021-33 ASSY B1626EAA 2.50IN (Pima Valve, Llc), 5021-33 (Hunt Valve Company, Inc.), 5021-33 (Pima Valve, Llc), 5021-33 ASSY B1626EAA 2.50IN (Hunt Valve Company, Inc.).

What NSN replaces 4820-01-559-0554?

There are 12 known substitutes for 4820-01-559-0554: 3020-00-411-3053, 5945-00-442-6732, 4730-00-512-1944 and 9 more. Verify interchangeability with system specifications before substitution.

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