PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10676Valve,y

Velan Valve Corp. · NSN 4820-00-824-5721 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-824-5721 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-824-5721. Primary manufacturer part number: 10676.
Features
  • Valve,y — FSC 4820
  • Valve Operation Method: MANUAL
  • Style Designator: STRAIGHT THRU Y-PATTERN
  • Renewable Seat Ring Type: THREADED
  • Material: STEEL CORROSION RESISTING SEAT
  • Connection Style: SOCKET ALL ENDS
  • Flow Control Device: DISK
  • Material: STEEL CORROSION RESISTING STEM
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Valve,y, cataloged under National Stock Number 4820-00-824-5721, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN4820-00-824-5721
Primary Part Number10676
Item NameValve,y
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Valve Operation MethodMANUAL
Style DesignatorSTRAIGHT THRU Y-PATTERN
Renewable Seat Ring TypeTHREADED
MaterialSTEEL CORROSION RESISTING SEAT
Connection StyleSOCKET ALL ENDS
Flow Control DeviceDISK
MaterialSTEEL CORROSION RESISTING STEM
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY 3/8 INCH SIZE AND 600 PSI RATING IN
MaterialSTEEL BODY
Bonnet Attachment MethodINTEGRAL
Nominal Pipe Size Accommodated0.375 INCHES ALL ENDS IN
Bonnet TypeOUTSIDE SCREW-YOKE
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
MaterialSTEEL FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-147-75442677190 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4330-01-095-7455274027-1 INTERCHANGEABLE
Filter,fluid
Parker-Hannifin Corporation Dba Control Systems Division
4730-01-268-4007 INTERCHANGEABLE
Bushing,pipe
5945-01-478-5395 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
10676 Velan Valve Corp. (USA)
W02-2076Y-02TS Velan Valve Corp. (USA)
Related Parts
5950-00-147-7544INTERCHANGEABLE
TRANSFORMER,POWER
2677190
4330-01-095-7455INTERCHANGEABLE
FILTER,FLUID
274027-1
4730-01-268-4007INTERCHANGEABLE
BUSHING,PIPE
5945-01-478-5395INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 4820-00-824-5721?

NSN 4820-00-824-5721 is a Valve,y, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-824-5721?

NSN 4820-00-824-5721 has 2 cross-referenced part numbers: 10676 (Velan Valve Corp.), W02-2076Y-02TS (Velan Valve Corp.).

What NSN replaces 4820-00-824-5721?

There are 4 known substitutes for 4820-00-824-5721: 5950-00-147-7544, 4330-01-095-7455, 4730-01-268-4007 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10676?

Key specifications for 10676: Valve Operation Method: MANUAL; Style Designator: STRAIGHT THRU Y-PATTERN; Renewable Seat Ring Type: THREADED; Material: STEEL CORROSION RESISTING SEAT. 14 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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