PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-3-13Disk,valve

Kunkle Industries Inc Lonergan Valve Div · NSN 4820-00-036-1770 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1770 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1770. Primary manufacturer part number: 18-3-13.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Outside Diameter: 1.387 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Kunkle Industries Inc Lonergan Valve Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-036-1770, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kunkle Industries Inc Lonergan Valve Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1770
Primary Part Number18-3-13
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKunkle Industries Inc Lonergan Valve Div
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Outside Diameter1.387 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-086-8832 INTERCHANGEABLE
Coil,radio Frequency
5330-00-291-3352 INTERCHANGEABLE
Seal,plain Encased
5330-00-451-017818313 INTERCHANGEABLE
Gasket
Lake Shore Systems, Inc.
4310-00-604-383618313 INTERCHANGEABLE
Connecting Rod,piston
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5955-01-042-0157712746-3 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Div Rmd Strategic
5365-01-506-82671831-3 INTERCHANGEABLE
Spacer,ring
Stromag Inc
5133-01-535-8384018313 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
Cross-Reference Index
Part NumberManufacturer
18-3-13 Kunkle Industries Inc Lonergan Valve Div (USA)
NMP446PC22 Kunkle Industries Inc Lonergan Valve Div (USA)
A1046SPC24 Kunkle Industries Inc Lonergan Valve Div (USA)
Related Parts
5950-00-086-8832INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-00-291-3352INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-451-0178INTERCHANGEABLE
GASKET
18313
4310-00-604-3836INTERCHANGEABLE
CONNECTING ROD,PISTON
18313
5955-01-042-0157INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
712746-3
5365-01-506-8267INTERCHANGEABLE
SPACER,RING
1831-3
5133-01-535-8384INTERCHANGEABLE
DRILL,TWIST
018313

Frequently Asked Questions

What is NSN 4820-00-036-1770?

NSN 4820-00-036-1770 is a Disk,valve, manufactured by Kunkle Industries Inc Lonergan Valve Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1770?

NSN 4820-00-036-1770 has 3 cross-referenced part numbers: 18-3-13 (Kunkle Industries Inc Lonergan Valve Div), NMP446PC22 (Kunkle Industries Inc Lonergan Valve Div), A1046SPC24 (Kunkle Industries Inc Lonergan Valve Div).

What NSN replaces 4820-00-036-1770?

There are 7 known substitutes for 4820-00-036-1770: 5950-00-086-8832, 5330-00-291-3352, 5330-00-451-0178 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-3-13?

Key specifications for 18-3-13: Material: STEEL CORROSION RESISTING; Outside Diameter: 1.387 INCHES NOMINAL IN; Overall Height: 2.437 INCHES NOMINAL IN. 3 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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