PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520-0-8Regulator,thermostatic Temperatu

Wright Austin Co · NSN 4820-00-870-4922 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-870-4922 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-870-4922. Primary manufacturer part number: 520-0-8.
Features
  • Regulator,thermostatic Temperatu — FSC 4820
  • Accessory Components and Quantity: PLUG 1; WASHER 1
  • Thermostat Type: BELLOWS
  • 1 verified cross-reference
  • Primary manufacturer: Wright Austin Co
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-00-870-4922, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Wright Austin Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-870-4922
Primary Part Number520-0-8
Item NameRegulator,thermostatic Temperatu
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWright Austin Co
StatusACTIVE
Accessory Components and QuantityPLUG 1; WASHER 1
Thermostat TypeBELLOWS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-021-497152008 INTERCHANGEABLE
Plug,tube Repair,expanding
Shaw Development, Llc
3455-00-231-3477301-8 INTERCHANGEABLE
Cutter,milling,plain
Kennametal Inc. Div Kennametal Industrial Products Group
6640-01-012-4465 INTERCHANGEABLE
Mortar,laboratory
4730-01-276-366952008 INTERCHANGEABLE
Manifold,brine,discharge
Hydranautics
6520-01-281-879652008 INTERCHANGEABLE
Fluoride Application Tray,dental
Henry Schein, Inc.
5930-01-305-814052008 INTERCHANGEABLE
Switch,toggle
Biotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc.
5120-01-581-3254 INTERCHANGEABLE
Wrench,box and Open End,combinat
Cross-Reference Index
Part NumberManufacturer
520-0-8 Wright Austin Co (USA)
Related Parts
4730-00-021-4971INTERCHANGEABLE
PLUG,TUBE REPAIR,EXPANDING
52008
3455-00-231-3477INTERCHANGEABLE
CUTTER,MILLING,PLAIN
301-8
6640-01-012-4465INTERCHANGEABLE
MORTAR,LABORATORY
4730-01-276-3669INTERCHANGEABLE
MANIFOLD,BRINE,DISCHARGE
52008
6520-01-281-8796INTERCHANGEABLE
FLUORIDE APPLICATION TRAY,DENTAL
52008
5930-01-305-8140INTERCHANGEABLE
SWITCH,TOGGLE
52008
5120-01-581-3254INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT

Frequently Asked Questions

What is NSN 4820-00-870-4922?

NSN 4820-00-870-4922 is a Regulator,thermostatic Temperatu, manufactured by Wright Austin Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-870-4922?

NSN 4820-00-870-4922 has 1 cross-referenced part number: 520-0-8 (Wright Austin Co).

What NSN replaces 4820-00-870-4922?

There are 7 known substitutes for 4820-00-870-4922: 4730-00-021-4971, 3455-00-231-3477, 6640-01-012-4465 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 520-0-8?

Key specifications for 520-0-8: Accessory Components and Quantity: PLUG 1; WASHER 1; End Item Identification: STEAM TRAP MODEL 520C; Thermostat Type: BELLOWS. 3 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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