PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21626Piston,valve

Barksdale, Inc · NSN 4820-01-302-3018 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-302-3018 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-302-3018. Primary manufacturer part number: 21626.
Features
  • Piston,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Barksdale, Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-302-3018, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Barksdale, Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-302-3018
Primary Part Number21626
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBarksdale, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-100-6172145082-14 INTERCHANGEABLE
Ball,bearing
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5306-00-207-2733239 INTERCHANGEABLE
Bolt,eye
Siemens Energy, Inc.
5330-00-235-952621626 INTERCHANGEABLE
Gasket
Industrial Technologies and Services Llc
6685-01-506-0071 INTERCHANGEABLE
Gauge 2.5
1650-01-507-182321626 INTERCHANGEABLE
Slide,directional Control Linear
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
21626 PRIMARY Barksdale, Inc (USA)
Related Parts
3110-00-100-6172INTERCHANGEABLE
BALL,BEARING
145082-14
5306-00-207-2733INTERCHANGEABLE
BOLT,EYE
239
5330-00-235-9526INTERCHANGEABLE
GASKET
21626
6685-01-506-0071INTERCHANGEABLE
GAUGE 2.5
1650-01-507-1823INTERCHANGEABLE
SLIDE,DIRECTIONAL CONTROL LINEAR
21626

Frequently Asked Questions

What is NSN 4820-01-302-3018?

NSN 4820-01-302-3018 is a Piston,valve, manufactured by Barksdale, Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-302-3018?

NSN 4820-01-302-3018 has 1 cross-referenced part number: 21626 (Barksdale, Inc).

What NSN replaces 4820-01-302-3018?

There are 5 known substitutes for 4820-01-302-3018: 3110-00-100-6172, 5306-00-207-2733, 5330-00-235-9526 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21626?

Key specifications for 21626: End Item Identification: 5930-01-133-2734. 1 total characteristics are documented in the Federal Logistics Information System.

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