PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40769Valve,check

Woodward, Inc. · NSN 4820-01-423-1953 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-423-1953 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-423-1953. Primary manufacturer part number: 40769.
Features
  • Valve,check — FSC 4820
  • Flow Control Device: BALL
  • Valve Operation Method: AUTOMATIC
  • 1 verified cross-reference
  • Primary manufacturer: Woodward, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-423-1953, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Woodward, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-423-1953
Primary Part Number40769
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWoodward, Inc.
StatusACTIVE
Flow Control DeviceBALL
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4310-00-105-514440769 INTERCHANGEABLE
Valve,thermal
Hdt Expeditionary Systems Inc
5950-00-224-3624C702858112 INTERCHANGEABLE
Transformer,power
Kearfott Corporation Div Guidance and Navigation Division
5310-00-307-2718927C932P5 INTERCHANGEABLE
Washer,spring Tension
Bae Systems Controls Inc.
6625-00-699-7030 INTERCHANGEABLE
Wattmeter
5330-00-861-2302 INTERCHANGEABLE
Seal,plain Encased
5962-01-089-281440769 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5330-01-306-7888 INTERCHANGEABLE
Retainer,packing
Cross-Reference Index
Part NumberManufacturer
40769 PRIMARY Woodward, Inc. (USA)
Related Parts
4310-00-105-5144INTERCHANGEABLE
VALVE,THERMAL
40769
5950-00-224-3624INTERCHANGEABLE
TRANSFORMER,POWER
C702858112
5310-00-307-2718INTERCHANGEABLE
WASHER,SPRING TENSION
927C932P5
6625-00-699-7030INTERCHANGEABLE
WATTMETER
5330-00-861-2302INTERCHANGEABLE
SEAL,PLAIN ENCASED
5962-01-089-2814INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
40769
5330-01-306-7888INTERCHANGEABLE
RETAINER,PACKING

Frequently Asked Questions

What is NSN 4820-01-423-1953?

NSN 4820-01-423-1953 is a Valve,check, manufactured by Woodward, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-423-1953?

NSN 4820-01-423-1953 has 1 cross-referenced part number: 40769 (Woodward, Inc.).

What NSN replaces 4820-01-423-1953?

There are 7 known substitutes for 4820-01-423-1953: 4310-00-105-5144, 5950-00-224-3624, 5310-00-307-2718 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40769?

Key specifications for 40769: Flow Control Device: BALL; Valve Operation Method: AUTOMATIC; End Item Identification: 2910-01-304-2089 GOVERNOR,U/O THE STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 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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