PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

21-3-16Stem,fluid Valve

Hunt Valve Company, Inc. · NSN 4820-01-530-7339 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-530-7339 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-530-7339. Primary manufacturer part number: 21-3-16.
Features
  • Stem,fluid Valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Hunt Valve Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-530-7339, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStem,fluid Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersPima Valve, Llc (CAGE 30263); Hunt Valve Company, Inc. (CAGE 11859)
Technical Specifications
ParameterValue
NSN4820-01-530-7339
Primary Part Number21-3-16
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 5
4720-00-137-1739213-16 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
9540-00-637-3262 INTERCHANGEABLE
Angle,structural
4730-01-348-058621316 INTERCHANGEABLE
Coupling,hose
National Oil Well Dba Iec Baylor
4320-01-418-70350021316-000 INTERCHANGEABLE
Ring and Pins,balan
Eaton Corporation Div Eaton Fluid Power
3010-01-529-201521316 INTERCHANGEABLE
Actuator,electromechanical,rotar
Gaylord Marine Services, Inc.
Cross-Reference Index
Part NumberManufacturer
21-3-16 Pima Valve, Llc (USA)
21-3-16 PRIMARY Hunt Valve Company, Inc. (USA)
Related Parts
4720-00-137-1739INTERCHANGEABLE
HOSE,NONMETALLIC
213-16
9540-00-637-3262INTERCHANGEABLE
ANGLE,STRUCTURAL
4730-01-348-0586INTERCHANGEABLE
COUPLING,HOSE
21316
4320-01-418-7035INTERCHANGEABLE
RING AND PINS,BALAN
0021316-000
3010-01-529-2015INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
21316

Frequently Asked Questions

What is NSN 4820-01-530-7339?

NSN 4820-01-530-7339 is a Stem,fluid Valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-530-7339?

NSN 4820-01-530-7339 has 2 cross-referenced part numbers: 21-3-16 (Pima Valve, Llc), 21-3-16 (Hunt Valve Company, Inc.).

What NSN replaces 4820-01-530-7339?

There are 5 known substitutes for 4820-01-530-7339: 4720-00-137-1739, 9540-00-637-3262, 4730-01-348-0586 and 2 more. Verify interchangeability with system specifications before substitution.

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