PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EP-0011079Valve,check

Independent Rough Terrain Center Llc · NSN 4820-01-621-4715 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-621-4715 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-621-4715. Primary manufacturer part number: EP-0011079.
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 4820-01-621-4715, 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
NSN4820-01-621-4715
Primary Part NumberEP-0011079
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerIndependent Rough Terrain Center Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-083-409219339 INTERCHANGEABLE
Seat,valve
Mid-America Aerotech, Llc
5330-00-505-6186AWR4 INTERCHANGEABLE
Seal,special
Dixon Valve & Coupling Company, Llc Div Dixon Fire
4720-00-737-233349567H INTERCHANGEABLE
Hose Assembly,nonmetallic
Navistar Intl Corp Truck Br Ohio Plant
4720-01-565-3919 INTERCHANGEABLE
Hose,nonmetallic
6650-01-578-384319339 INTERCHANGEABLE
Mount,telescope
Questar Corp
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
4820-01-621-4689 INTERCHANGEABLE
Valve,check
4820-01-621-4728 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
EP-0011079 Independent Rough Terrain Center Llc (USA)
EP-0011436 Independent Rough Terrain Center Llc (USA)
19339 Vonberg Valve, Inc. (USA)
Related Parts
4820-00-083-4092INTERCHANGEABLE
SEAT,VALVE
19339
5330-00-505-6186INTERCHANGEABLE
SEAL,SPECIAL
AWR4
4720-00-737-2333INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
49567H
4720-01-565-3919INTERCHANGEABLE
HOSE,NONMETALLIC
6650-01-578-3843INTERCHANGEABLE
MOUNT,TELESCOPE
19339
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
4820-01-621-4689INTERCHANGEABLE
VALVE,CHECK
4820-01-621-4728INTERCHANGEABLE
VALVE,CHECK
2810-01-682-3483INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
19339
1005-01-719-3056INTERCHANGEABLE
BARREL,RIFLE
19339

Frequently Asked Questions

What is NSN 4820-01-621-4715?

NSN 4820-01-621-4715 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 4820-01-621-4715?

NSN 4820-01-621-4715 has 3 cross-referenced part numbers: EP-0011079 (Independent Rough Terrain Center Llc), EP-0011436 (Independent Rough Terrain Center Llc), 19339 (Vonberg Valve, Inc.).

What NSN replaces 4820-01-621-4715?

There are 12 known substitutes for 4820-01-621-4715: 4820-00-083-4092, 5330-00-505-6186, 4720-00-737-2333 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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