PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

746-B B751Disk,valve

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-00-972-9245 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-972-9245 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-972-9245. Primary manufacturer part number: 746-B B751.
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 0.386 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Inside Diameter: 0.156 INCHES NOMINAL IN
  • Material: PLASTIC POLYTRIFLUOROCHLOROETHYLENE
  • 4 verified cross-references
  • Primary manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytrifluorochloroethylene construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-972-9245, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-972-9245
Primary Part Number746-B B751
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
Outside Diameter0.386 INCHES NOMINAL IN
Style DesignatorPLAIN
Inside Diameter0.156 INCHES NOMINAL IN
MaterialPLASTIC POLYTRIFLUOROCHLOROETHYLENE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6850-00-543-7801CT-2400-5G-M INTERCHANGEABLE
Carbon Removing Compound
Eldorado Chemical Co Inc
6850-00-550-7453 INTERCHANGEABLE
Carbon Removing Compound
Cross-Reference Index
Part NumberManufacturer
746-B-926 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
746-B B751 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
746-B-940 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
746B Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
6850-00-543-7801INTERCHANGEABLE
CARBON REMOVING COMPOUND
CT-2400-5G-M
6850-00-550-7453INTERCHANGEABLE
CARBON REMOVING COMPOUND

Frequently Asked Questions

What is NSN 4820-00-972-9245?

NSN 4820-00-972-9245 is a Disk,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-972-9245?

NSN 4820-00-972-9245 has 4 cross-referenced part numbers: 746-B-926 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 746-B B751 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 746-B-940 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 746B (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 4820-00-972-9245?

There are 2 known substitutes for 4820-00-972-9245: 6850-00-543-7801, 6850-00-550-7453. Verify interchangeability with system specifications before substitution.

What are the specifications of 746-B B751?

Key specifications for 746-B B751: Outside Diameter: 0.386 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.156 INCHES NOMINAL IN; Material: PLASTIC POLYTRIFLUOROCHLOROETHYLENE. 5 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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