PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16428Disk,valve

Ashcroft Inc Dba Heise · NSN 4820-00-036-1862 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1862 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1862. Primary manufacturer part number: 16428.
Features
  • Disk,valve — FSC 4820
  • Seat Angle: 45.0 DEGREES NOMINAL
  • Outside Diameter: 2.455 INCHES NOMINAL IN
  • Nominal Thread Size: 1.875 INCHES IN
  • Style Designator: PLUG
  • Thread Series Designator: UN
  • Material: STEEL
  • Thread Quantity Per Inch: 16
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-036-1862, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 8 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1862
Primary Part Number16428
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Seat Angle45.0 DEGREES NOMINAL
Outside Diameter2.455 INCHES NOMINAL IN
Nominal Thread Size1.875 INCHES IN
Style DesignatorPLUG
Thread Series DesignatorUN
MaterialSTEEL
Thread Quantity Per Inch16
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-00-283-2950 INTERCHANGEABLE
Connector,plug,electrical
5935-00-331-14168176846 INTERCHANGEABLE
Connector,plug,electrical
Us Army Aviation and Missile Command
5950-00-682-3063 INTERCHANGEABLE
Transformer,pulse
7930-01-392-7560101659 INTERCHANGEABLE
Detergent,laundry
Ecolab Inc
5325-01-481-722116-428 INTERCHANGEABLE
Ring,retaining
Metrex Valve Corp. Dba Metrex Valve Corp
6515-01-518-2941G00850 INTERCHANGEABLE
Needle,biopsy
Cook Medical Llc
5310-01-524-9824164-28 INTERCHANGEABLE
Nut,plain,hexagon
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6515-01-591-435005.002.007S INTERCHANGEABLE
Blade,bone Saw,power
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5330-01-699-355916428 INTERCHANGEABLE
Seal,plain
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Cross-Reference Index
Part NumberManufacturer
16428 PRIMARY Ashcroft Inc Dba Heise (USA)
Related Parts
5935-00-283-2950INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-00-331-1416INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
8176846
5950-00-682-3063INTERCHANGEABLE
TRANSFORMER,PULSE
7930-01-392-7560INTERCHANGEABLE
DETERGENT,LAUNDRY
101659
5325-01-481-7221INTERCHANGEABLE
RING,RETAINING
16-428
6515-01-518-2941INTERCHANGEABLE
NEEDLE,BIOPSY
G00850
5310-01-524-9824INTERCHANGEABLE
NUT,PLAIN,HEXAGON
164-28
6515-01-591-4350INTERCHANGEABLE
BLADE,BONE SAW,POWER
05.002.007S
5330-01-699-3559INTERCHANGEABLE
SEAL,PLAIN
16428

Frequently Asked Questions

What is NSN 4820-00-036-1862?

NSN 4820-00-036-1862 is a Disk,valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1862?

NSN 4820-00-036-1862 has 1 cross-referenced part number: 16428 (Ashcroft Inc Dba Heise).

What NSN replaces 4820-00-036-1862?

There are 9 known substitutes for 4820-00-036-1862: 5935-00-283-2950, 5935-00-331-1416, 5950-00-682-3063 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16428?

Key specifications for 16428: Seat Angle: 45.0 DEGREES NOMINAL; Outside Diameter: 2.455 INCHES NOMINAL IN; Nominal Thread Size: 1.875 INCHES IN; Style Designator: PLUG. 9 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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