PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16731-1Disk,valve

Tate Andale, Llc · NSN 4820-01-150-3947 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-150-3947 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-150-3947. Primary manufacturer part number: 16731-1.
Features
  • Disk,valve — FSC 4820
  • Seat Angle: 45.0 DEGREES NOMINAL
  • Inside Diameter: 2.375 INCHES NOMINAL IN
  • Outside Diameter: 4.000 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Tate Andale, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-150-3947, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tate Andale, Llc. Government technical data includes 3 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-150-3947
Primary Part Number16731-1
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTate Andale, Llc
StatusACTIVE
Seat Angle45.0 DEGREES NOMINAL
Inside Diameter2.375 INCHES NOMINAL IN
Outside Diameter4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-325-8792572682 INTERCHANGEABLE
Gasket
Facet (oklahoma) Llc
5330-00-587-0146 INTERCHANGEABLE
Packing,preformed
5840-01-210-5942167311 INTERCHANGEABLE
Filter,bandwidth
Rex Systems Incorporated Dba Rex Systems Inc
Cross-Reference Index
Part NumberManufacturer
16731-1 PRIMARY Tate Andale, Llc (USA)
A-16731-1 Tate Andale, Llc (USA)
228005790023740 Tate Andale, Llc (USA)
228005710023740 Tate Andale, Llc (USA)
Related Parts
5330-00-325-8792INTERCHANGEABLE
GASKET
572682
5330-00-587-0146INTERCHANGEABLE
PACKING,PREFORMED
5840-01-210-5942INTERCHANGEABLE
FILTER,BANDWIDTH
167311

Frequently Asked Questions

What is NSN 4820-01-150-3947?

NSN 4820-01-150-3947 is a Disk,valve, manufactured by Tate Andale, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-150-3947?

NSN 4820-01-150-3947 has 4 cross-referenced part numbers: 16731-1 (Tate Andale, Llc), A-16731-1 (Tate Andale, Llc), 228005790023740 (Tate Andale, Llc), 228005710023740 (Tate Andale, Llc).

What NSN replaces 4820-01-150-3947?

There are 3 known substitutes for 4820-01-150-3947: 5330-00-325-8792, 5330-00-587-0146, 5840-01-210-5942. Verify interchangeability with system specifications before substitution.

What are the specifications of 16731-1?

Key specifications for 16731-1: Seat Angle: 45.0 DEGREES NOMINAL; Inside Diameter: 2.375 INCHES NOMINAL IN; Overall Height: 3.625 INCHES NOMINAL IN; Outside Diameter: 4.000 INCHES NOMINAL IN. 4 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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