PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20383Valve,check

Hoffman/new Yorker, Inc. · NSN 4820-01-370-7803 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-370-7803 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-370-7803. Primary manufacturer part number: 20383.
Features
  • Valve,check — FSC 4820
  • Mounting Position: HORIZONTAL
  • Valve Operation Method: AUTOMATIC
  • 1 verified cross-reference
  • Primary manufacturer: Hoffman/new Yorker, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-370-7803, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hoffman/new Yorker, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-370-7803
Primary Part Number20383
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHoffman/new Yorker, Inc.
StatusACTIVE
Mounting PositionHORIZONTAL
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5342-00-213-03468703028-80 INTERCHANGEABLE
Cap,filler Opening
Alfa Laval Inc
5330-00-230-6990390009PC226 INTERCHANGEABLE
Gasket
Naval Ship Systems Command
6130-00-237-017815B4ARV1 INTERCHANGEABLE
Rectifier,metallic
Pd&e Electronics, Llc
5315-00-900-4546 INTERCHANGEABLE
Pin,straight,headless
6105-01-232-831620383 INTERCHANGEABLE
Motor,alternating Current
Scott and Fetzer Co the Wayne Home Equipment Div
5950-01-334-685520383 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
4810-01-346-966220383 INTERCHANGEABLE
Valve,solenoid
Snap-Tite Inc Dba Snap Tite Solenoid Valve Div
5360-01-442-2799 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
20383 PRIMARY Hoffman/new Yorker, Inc. (USA)
Related Parts
5342-00-213-0346INTERCHANGEABLE
CAP,FILLER OPENING
8703028-80
5330-00-230-6990INTERCHANGEABLE
GASKET
390009PC226
6130-00-237-0178INTERCHANGEABLE
RECTIFIER,METALLIC
15B4ARV1
5315-00-900-4546INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
6105-01-232-8316INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
20383
5950-01-334-6855INTERCHANGEABLE
TRANSFORMER,POWER
20383
4810-01-346-9662INTERCHANGEABLE
VALVE,SOLENOID
20383
5360-01-442-2799INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 4820-01-370-7803?

NSN 4820-01-370-7803 is a Valve,check, manufactured by Hoffman/new Yorker, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-370-7803?

NSN 4820-01-370-7803 has 1 cross-referenced part number: 20383 (Hoffman/new Yorker, Inc.).

What NSN replaces 4820-01-370-7803?

There are 8 known substitutes for 4820-01-370-7803: 5342-00-213-0346, 5330-00-230-6990, 6130-00-237-0178 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20383?

Key specifications for 20383: Mounting Position: HORIZONTAL; Special Features: SWING TYPE.; Valve Operation Method: AUTOMATIC. 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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