PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NL172-1Disk,valve

Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp · NSN 4820-00-678-8523 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-678-8523 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-678-8523. Primary manufacturer part number: NL172-1.
Features
  • Disk,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-678-8523, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDisk,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersPentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (CAGE 93591)
Technical Specifications
ParameterValue
NSN4820-00-678-8523
Primary Part NumberNL172-1
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPentair Valves & Controls Us Lp Div Flow Control Us Holding Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4210-00-318-742310-00460 INTERCHANGEABLE
Valve Ball
Tyco Fire Products Lp
5310-00-391-7689S4-60 INTERCHANGEABLE
Nut,plain,blind Rivet
Goodrich Corporation
5340-00-612-3711S-460 INTERCHANGEABLE
Connector,rod End
Eaton Corporation Dba Jackson Plant
4820-00-678-8522 INTERCHANGEABLE
Seat,valve
4820-00-678-8524 INTERCHANGEABLE
Disk,valve
4710-01-186-3776S-460 INTERCHANGEABLE
Tube Assembly,metal
Danfoss Power Solutions II, Llc
4820-01-208-7137 INTERCHANGEABLE
Spindle,valve,relief
5360-01-283-2552 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
NL172-1 Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA)
S-460 Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA)
S460PC17A17B Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA)
Related Parts
4210-00-318-7423INTERCHANGEABLE
VALVE BALL
10-00460
5310-00-391-7689INTERCHANGEABLE
NUT,PLAIN,BLIND RIVET
S4-60
5340-00-612-3711INTERCHANGEABLE
CONNECTOR,ROD END
S-460
4820-00-678-8522INTERCHANGEABLE
SEAT,VALVE
4820-00-678-8524INTERCHANGEABLE
DISK,VALVE
4710-01-186-3776INTERCHANGEABLE
TUBE ASSEMBLY,METAL
S-460
4820-01-208-7137INTERCHANGEABLE
SPINDLE,VALVE,RELIEF
5360-01-283-2552INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 4820-00-678-8523?

NSN 4820-00-678-8523 is a Disk,valve, manufactured by Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-678-8523?

NSN 4820-00-678-8523 has 3 cross-referenced part numbers: NL172-1 (Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp), S-460 (Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp), S460PC17A17B (Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp).

What NSN replaces 4820-00-678-8523?

There are 8 known substitutes for 4820-00-678-8523: 4210-00-318-7423, 5310-00-391-7689, 5340-00-612-3711 and 5 more. Verify interchangeability with system specifications before substitution.

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