PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EP-0011436Valve,check

Independent Rough Terrain Center Llc · NSN 4820-01-621-4689 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-621-4689 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-621-4689. Primary manufacturer part number: EP-0011436.
Features
  • Valve,check — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Independent Rough Terrain Center Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-621-4689, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Independent Rough Terrain Center Llc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersIndependent Rough Terrain Center Llc (CAGE 1NWY2); Vonberg Valve, Inc. (CAGE 58143)
Technical Specifications
ParameterValue
NSN4820-01-621-4689
Primary Part NumberEP-0011436
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerIndependent Rough Terrain Center Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-109-6007 INTERCHANGEABLE
Circuit Card Assembly
4720-00-518-6757F3700 INTERCHANGEABLE
Hose Assembly,nonmetallic
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5905-00-629-6065 INTERCHANGEABLE
Resistance Element
5935-00-874-012482-325 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
4810-01-130-647519338 INTERCHANGEABLE
Rod,valve
Mid-America Aerotech, Llc
5330-01-395-517419338 INTERCHANGEABLE
Gasket
Westerbeke Corporation
5330-01-621-3002 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
5330-01-621-3166 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
5330-01-621-3179 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
4820-01-621-4715 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
EP-0011436 Independent Rough Terrain Center Llc (USA)
19338 Vonberg Valve, Inc. (USA)
EP-0011080 Independent Rough Terrain Center Llc (USA)
Related Parts
5998-00-109-6007INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4720-00-518-6757INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
F3700
5905-00-629-6065INTERCHANGEABLE
RESISTANCE ELEMENT
5935-00-874-0124INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
82-325
4810-01-130-6475INTERCHANGEABLE
ROD,VALVE
19338
5330-01-395-5174INTERCHANGEABLE
GASKET
19338
5330-01-621-3002INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
5330-01-621-3166INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
5330-01-621-3179INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
4820-01-621-4715INTERCHANGEABLE
VALVE,CHECK
4820-01-621-4728INTERCHANGEABLE
VALVE,CHECK
5365-01-647-9132INTERCHANGEABLE
SPACER,SLEEVE
19338

Frequently Asked Questions

What is NSN 4820-01-621-4689?

NSN 4820-01-621-4689 is a Valve,check, manufactured by Independent Rough Terrain Center Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-621-4689?

NSN 4820-01-621-4689 has 3 cross-referenced part numbers: EP-0011436 (Independent Rough Terrain Center Llc), 19338 (Vonberg Valve, Inc.), EP-0011080 (Independent Rough Terrain Center Llc).

What NSN replaces 4820-01-621-4689?

There are 12 known substitutes for 4820-01-621-4689: 5998-00-109-6007, 4720-00-518-6757, 5905-00-629-6065 and 9 more. Verify interchangeability with system specifications before substitution.

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