PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F-501Valve,calibrated Flow

Bailey Refrigeration Co, Inc. · NSN 4820-01-171-1985 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-171-1985 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-171-1985. Primary manufacturer part number: F-501.
Features
  • Valve,calibrated Flow — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Bailey Refrigeration Co, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-171-1985, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bailey Refrigeration Co, Inc.. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,calibrated Flow
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersBailey Refrigeration Co, Inc. (CAGE 03824)
Technical Specifications
ParameterValue
NSN4820-01-171-1985
Primary Part NumberF-501
Item NameValve,calibrated Flow
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBailey Refrigeration Co, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-054-5292MR-100 INTERCHANGEABLE
Coil,radio Frequency
Lenox-Fugle Intl Inc
5905-00-205-9281F501 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
4110-01-239-6555F-501 INTERCHANGEABLE
Parts Kit,dispenser,drinking Wat
The Filtrine Manufacturing Company, Inc.
4330-01-497-9560F50-1 INTERCHANGEABLE
Filter,fluid
Master Pneumatic-Detroit Inc
Cross-Reference Index
Part NumberManufacturer
101-1PIECE 13 Bailey Refrigeration Co, Inc. (USA)
F-501 PRIMARY Bailey Refrigeration Co, Inc. (USA)
Related Parts
5950-00-054-5292INTERCHANGEABLE
COIL,RADIO FREQUENCY
MR-100
5905-00-205-9281INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
F501
4110-01-239-6555INTERCHANGEABLE
PARTS KIT,DISPENSER,DRINKING WAT
F-501
4330-01-497-9560INTERCHANGEABLE
FILTER,FLUID
F50-1

Frequently Asked Questions

What is NSN 4820-01-171-1985?

NSN 4820-01-171-1985 is a Valve,calibrated Flow, manufactured by Bailey Refrigeration Co, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-171-1985?

NSN 4820-01-171-1985 has 2 cross-referenced part numbers: 101-1PIECE 13 (Bailey Refrigeration Co, Inc.), F-501 (Bailey Refrigeration Co, Inc.).

What NSN replaces 4820-01-171-1985?

There are 4 known substitutes for 4820-01-171-1985: 5950-00-054-5292, 5905-00-205-9281, 4110-01-239-6555 and 1 more. Verify interchangeability with system specifications before substitution.

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