PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B10-727Valve,saddle

Velan Valve Corp. · NSN 4820-01-321-6770 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-321-6770 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-321-6770. Primary manufacturer part number: B10-727.
Features
  • Valve,saddle — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Velan Valve Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,saddle, cataloged under National Stock Number 4820-01-321-6770, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,saddle
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersVelan Valve Corp. (CAGE 57574); Johnstone Supply an Independently Owned and Operated Business (CAGE 5E169)
Technical Specifications
ParameterValue
NSN4820-01-321-6770
Primary Part NumberB10-727
Item NameValve,saddle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5120-00-624-8065 INTERCHANGEABLE
Pliers,slip Joint
5120-01-370-6693 INTERCHANGEABLE
Pliers,slip Joint
5120-01-380-9000 INTERCHANGEABLE
Pliers,slip Joint
5120-01-434-9255 INTERCHANGEABLE
Pliers,slip Joint
5120-01-595-0053DRP11 INTERCHANGEABLE
Crimping Tool,terminal,hand
Daniels Manufacturing Corporation
5120-01-653-8310 INTERCHANGEABLE
Insert,jaw,connector Pliers
Cross-Reference Index
Part NumberManufacturer
B10-727 PRIMARY Velan Valve Corp. (USA)
B10-727 Johnstone Supply an Independently Owned and Operated Business (USA)
Related Parts
5120-00-624-8065INTERCHANGEABLE
PLIERS,SLIP JOINT
5120-01-370-6693INTERCHANGEABLE
PLIERS,SLIP JOINT
5120-01-380-9000INTERCHANGEABLE
PLIERS,SLIP JOINT
5120-01-434-9255INTERCHANGEABLE
PLIERS,SLIP JOINT
5120-01-595-0053INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
DRP11
5120-01-653-8310INTERCHANGEABLE
INSERT,JAW,CONNECTOR PLIERS

Frequently Asked Questions

What is NSN 4820-01-321-6770?

NSN 4820-01-321-6770 is a Valve,saddle, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-321-6770?

NSN 4820-01-321-6770 has 2 cross-referenced part numbers: B10-727 (Velan Valve Corp.), B10-727 (Johnstone Supply an Independently Owned and Operated Business).

What NSN replaces 4820-01-321-6770?

There are 6 known substitutes for 4820-01-321-6770: 5120-00-624-8065, 5120-01-370-6693, 5120-01-380-9000 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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