PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NL-171-1Spindle,valve,relief

Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp · NSN 4820-01-208-7137 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-208-7137 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-208-7137. Primary manufacturer part number: NL-171-1.
Features
  • Spindle,valve,relief — FSC 4820
  • General Characteristics Item Description: STAINLESS STEEL
  • 5 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 Spindle,valve,relief, cataloged under National Stock Number 4820-01-208-7137, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-208-7137
Primary Part NumberNL-171-1
Item NameSpindle,valve,relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPentair Valves & Controls Us Lp Div Flow Control Us Holding Corp
StatusACTIVE
General Characteristics Item DescriptionSTAINLESS STEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
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
4820-00-678-8523 INTERCHANGEABLE
Disk,valve
4820-00-678-8524 INTERCHANGEABLE
Disk,valve
4730-01-130-1879 INTERCHANGEABLE
Strainer Element,sediment
4710-01-186-3776S-460 INTERCHANGEABLE
Tube Assembly,metal
Danfoss Power Solutions II, Llc
5360-01-283-2552 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
NL-171-1 Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA)
3314769 Naval Sea Systems Command (USA)
3314769 PC 30 Naval Sea Systems Command (USA)
S-460 PIECE 30 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
S-460 Rockwell Automation, Inc. Dba Rockwell Automation (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
4820-00-678-8523INTERCHANGEABLE
DISK,VALVE
4820-00-678-8524INTERCHANGEABLE
DISK,VALVE
4730-01-130-1879INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
4710-01-186-3776INTERCHANGEABLE
TUBE ASSEMBLY,METAL
S-460
5360-01-283-2552INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 4820-01-208-7137?

NSN 4820-01-208-7137 is a Spindle,valve,relief, 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 4820-01-208-7137?

NSN 4820-01-208-7137 has 5 cross-referenced part numbers: NL-171-1 (Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp), 3314769 (Naval Sea Systems Command), 3314769 PC 30 (Naval Sea Systems Command), S-460 PIECE 30 (Rockwell Automation, Inc. Dba Rockwell Automation), S-460 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 4820-01-208-7137?

There are 9 known substitutes for 4820-01-208-7137: 4210-00-318-7423, 5310-00-391-7689, 5340-00-612-3711 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NL-171-1?

Key specifications for NL-171-1: General Characteristics Item Description: STAINLESS STEEL. 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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