PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LA1559Valve,flow Control

Viking Pump, Inc · NSN 4820-00-072-7684 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-072-7684 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-072-7684. Primary manufacturer part number: LA1559.
Features
  • Valve,flow Control — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Viking Pump, Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-00-072-7684, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Viking Pump, Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 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)
ManufacturersViking Pump, Inc (CAGE 63097); Facet (oklahoma) Llc (CAGE 87405)
Technical Specifications
ParameterValue
NSN4820-00-072-7684
Primary Part NumberLA1559
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerViking Pump, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2530-00-073-3465280212 INTERCHANGEABLE
Valve,relay,air Pressure
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5950-00-137-8640 INTERCHANGEABLE
Transformer,power
5950-00-532-7031541-1390-002 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4140-00-625-1780021197 INTERCHANGEABLE
Fan,centrifugal
Rotron Incorporated
4730-00-928-831911661 INTERCHANGEABLE
Coupler
Mcneil Ohio Corp
4730-01-009-0989 INTERCHANGEABLE
Coupling,pipe
5330-01-054-240511661 INTERCHANGEABLE
Gasket
Paccar Winch Inc Dba Paccar Winch Division
5330-01-083-2141970320538 INTERCHANGEABLE
Gasket
Altec Industries Inc Eastern Div
6220-01-204-355811661 INTERCHANGEABLE
Insert
Grimes Aerospace Company
4820-01-253-3550 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
LA1559 PRIMARY Viking Pump, Inc (USA)
1166-1 Facet (oklahoma) Llc (USA)
Related Parts
2530-00-073-3465INTERCHANGEABLE
VALVE,RELAY,AIR PRESSURE
280212
5950-00-137-8640INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-532-7031INTERCHANGEABLE
COIL,RADIO FREQUENCY
541-1390-002
4140-00-625-1780INTERCHANGEABLE
FAN,CENTRIFUGAL
021197
4730-00-928-8319INTERCHANGEABLE
COUPLER
11661
4730-01-009-0989INTERCHANGEABLE
COUPLING,PIPE
5330-01-054-2405INTERCHANGEABLE
GASKET
11661
5330-01-083-2141INTERCHANGEABLE
GASKET
970320538
6220-01-204-3558INTERCHANGEABLE
INSERT
11661
4820-01-253-3550INTERCHANGEABLE
VALVE,SAFETY RELIEF
5905-01-340-8708INTERCHANGEABLE
RESISTOR,THERMAL
1166-1

Frequently Asked Questions

What is NSN 4820-00-072-7684?

NSN 4820-00-072-7684 is a Valve,flow Control, manufactured by Viking Pump, Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-072-7684?

NSN 4820-00-072-7684 has 2 cross-referenced part numbers: LA1559 (Viking Pump, Inc), 1166-1 (Facet (oklahoma) Llc).

What NSN replaces 4820-00-072-7684?

There are 11 known substitutes for 4820-00-072-7684: 2530-00-073-3465, 5950-00-137-8640, 5950-00-532-7031 and 8 more. Verify interchangeability with system specifications before substitution.

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