PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20771Disk,valve

Bosch Automotive Service Solutions Inc. · NSN 4820-00-493-7162 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-493-7162 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-493-7162. Primary manufacturer part number: 20771.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL
  • Outside Diameter: 0.493 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Bosch Automotive Service Solutions Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-493-7162, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bosch Automotive Service Solutions Inc.. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-493-7162
Primary Part Number20771
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBosch Automotive Service Solutions Inc.
StatusACTIVE
MaterialSTEEL
Outside Diameter0.493 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6685-00-061-67798141-244 INTERCHANGEABLE
Thermometer,indicating,capillary
Ametek, Inc. Div Aerospace & Defense
5935-00-199-2656MS3106A16S-1P INTERCHANGEABLE
Connector,plug,electrical
Sae International Dba Sae International
5360-00-321-64557606930 INTERCHANGEABLE
Spring,helical,extension
U S Army Tank Automotive Command Amsta-Im-Mm
5841-00-327-4689 INTERCHANGEABLE
Tube and Container
6210-00-553-163795-0953-000 INTERCHANGEABLE
Lens,light
Dialight Corporation
5910-00-722-6646 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
1040-00-936-938754A50B199-1 INTERCHANGEABLE
Tube Assy
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-01-369-434220771-1010 INTERCHANGEABLE
Stem,fluid Valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4730-01-516-4804C20771 INTERCHANGEABLE
Elbow,hose
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
20771 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
6685-00-061-6779INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
8141-244
5935-00-199-2656INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
MS3106A16S-1P
5360-00-321-6455INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
7606930
5841-00-327-4689INTERCHANGEABLE
TUBE AND CONTAINER
6210-00-553-1637INTERCHANGEABLE
LENS,LIGHT
95-0953-000
5910-00-722-6646INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
1040-00-936-9387INTERCHANGEABLE
TUBE ASSY
54A50B199-1
4820-01-369-4342INTERCHANGEABLE
STEM,FLUID VALVE
20771-1010
4730-01-516-4804INTERCHANGEABLE
ELBOW,HOSE
C20771

Frequently Asked Questions

What is NSN 4820-00-493-7162?

NSN 4820-00-493-7162 is a Disk,valve, manufactured by Bosch Automotive Service Solutions Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-493-7162?

NSN 4820-00-493-7162 has 1 cross-referenced part number: 20771 (Bosch Automotive Service Solutions Inc.).

What NSN replaces 4820-00-493-7162?

There are 9 known substitutes for 4820-00-493-7162: 6685-00-061-6779, 5935-00-199-2656, 5360-00-321-6455 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20771?

Key specifications for 20771: Material: STEEL; Outside Diameter: 0.493 INCHES NOMINAL IN; Overall Height: 0.938 INCHES NOMINAL IN. 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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