PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1719-1AValve,hydraulic,relief

Pneudraulics, Inc. · NSN 4820-01-044-0433 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-044-0433 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-044-0433. Primary manufacturer part number: 1719-1A.
Features
  • Valve,hydraulic,relief — FSC 4820
  • FSC Application Data: ACFT HYDRAULIC SYSTEM
  • 6 verified cross-references
  • Primary manufacturer: Pneudraulics, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,hydraulic,relief, cataloged under National Stock Number 4820-01-044-0433, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pneudraulics, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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
NSN4820-01-044-0433
Primary Part Number1719-1A
Item NameValve,hydraulic,relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusACTIVE
FSC Application DataACFT HYDRAULIC SYSTEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5841-00-305-2274 INTERCHANGEABLE
Cover Control
5950-00-910-8055 INTERCHANGEABLE
Transformer
5342-01-331-1378A-359 INTERCHANGEABLE
Cap,filler Opening
Palfinger Marine Usa, Llc
5360-01-332-8181 INTERCHANGEABLE
Spring,helical,compression
3040-01-357-2079 INTERCHANGEABLE
Cap,linear Actuating Cylinder
Cross-Reference Index
Part NumberManufacturer
C7910-1A Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
4820PL0578377 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1719-1A PRIMARY Pneudraulics, Inc. (USA)
VA011 Hydraflow (USA)
A359 PRIMARY Ausco Inc (USA)
VA042 PRIMARY Hydraflow (USA)
Related Parts
5841-00-305-2274INTERCHANGEABLE
COVER CONTROL
5950-00-910-8055INTERCHANGEABLE
TRANSFORMER
5342-01-331-1378INTERCHANGEABLE
CAP,FILLER OPENING
A-359
5360-01-332-8181INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3040-01-357-2079INTERCHANGEABLE
CAP,LINEAR ACTUATING CYLINDER

Frequently Asked Questions

What is NSN 4820-01-044-0433?

NSN 4820-01-044-0433 is a Valve,hydraulic,relief, manufactured by Pneudraulics, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-044-0433?

NSN 4820-01-044-0433 has 6 cross-referenced part numbers: C7910-1A (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 4820PL0578377 (Jednolity Indeks Materialowy - Uniform Material Index), 1719-1A (Pneudraulics, Inc.), VA011 (Hydraflow), A359 (Ausco Inc) and 1 more.

What NSN replaces 4820-01-044-0433?

There are 5 known substitutes for 4820-01-044-0433: 5841-00-305-2274, 5950-00-910-8055, 5342-01-331-1378 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1719-1A?

Key specifications for 1719-1A: End Item Identification: ACFT,TYPE F-16A THRU D; T.O. 1F-16A-4-29,FIG 4,IND 1 A; FSC Application Data: ACFT HYDRAULIC SYSTEM. 2 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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