PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HP821100-3Valve,linear,directional Control

Tactair Fluid Controls Inc · NSN 4810-00-913-1729 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-913-1729 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-913-1729. Primary manufacturer part number: HP821100-3.
Features
  • Valve,linear,directional Control — FSC 4810
  • 4 verified cross-references
  • Primary manufacturer: Tactair Fluid Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4810-00-913-1729, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tactair Fluid Controls Inc. This item has 4 commercial cross-references from 3 manufacturers, 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,linear,directional Control
FSC / FSG4810 — No Item Name Available (FSG 48)
ManufacturersNorthrop Grumman Systems Corporation (CAGE 26512); Tactair Fluid Controls Inc (CAGE 70236); Teledyne Hydra-Power Div of Teledyne Inc (CAGE 84685); Northrop Grumman Systems Corporation (CAGE 79RG9)
Technical Specifications
ParameterValue
NSN4810-00-913-1729
Primary Part NumberHP821100-3
Item NameValve,linear,directional Control
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerTactair Fluid Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4810-00-231-492072599 INTERCHANGEABLE
Valve,linear,directional Control
Hydro-Aire Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
128SCH108-3 Northrop Grumman Systems Corporation (USA)
HP821100-3 PRIMARY Tactair Fluid Controls Inc (USA)
HP821100-3 Teledyne Hydra-Power Div of Teledyne Inc (USA)
128SCH108-3 Northrop Grumman Systems Corporation (USA)
Related Parts
4810-00-231-4920INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
72599

Frequently Asked Questions

What is NSN 4810-00-913-1729?

NSN 4810-00-913-1729 is a Valve,linear,directional Control, manufactured by Tactair Fluid Controls Inc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-913-1729?

NSN 4810-00-913-1729 has 4 cross-referenced part numbers: 128SCH108-3 (Northrop Grumman Systems Corporation), HP821100-3 (Tactair Fluid Controls Inc), HP821100-3 (Teledyne Hydra-Power Div of Teledyne Inc), 128SCH108-3 (Northrop Grumman Systems Corporation).

What NSN replaces 4810-00-913-1729?

There is 1 known substitute for 4810-00-913-1729: 4810-00-231-4920. Verify interchangeability with system specifications before substitution.

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