PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

570-3PL3737Valve,stop-Check

Admiral Valve Llc Dba Cpv Manufacturing · NSN 4820-01-022-1369 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-022-1369 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-022-1369. Primary manufacturer part number: 570-3PL3737.
Features
  • Valve,stop-Check — FSC 4820
  • 6 verified cross-references
  • Primary manufacturer: Admiral Valve Llc Dba Cpv Manufacturing
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,stop-Check, cataloged under National Stock Number 4820-01-022-1369, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Admiral Valve Llc Dba Cpv Manufacturing. This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,stop-Check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersAdmiral Valve Llc Dba Cpv Manufacturing (CAGE 99565); Bec Systems Llc Dba Bec Machine Products (CAGE 0JC12); Hydrasearch Company, Llc (CAGE 32142)
Technical Specifications
ParameterValue
NSN4820-01-022-1369
Primary Part Number570-3PL3737
Item NameValve,stop-Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAdmiral Valve Llc Dba Cpv Manufacturing
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-842-8250CA3960 INTERCHANGEABLE
Gasket
Stillman Seal Corporation Div Stillman Seal Corperation
4820-01-099-37274505-1-DC INTERCHANGEABLE
Seat,valve
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
C4581PL990 1-2I Admiral Valve Llc Dba Cpv Manufacturing (USA)
A6SI51-3 Bec Systems Llc Dba Bec Machine Products (USA)
570-3PL3737 PRIMARY Admiral Valve Llc Dba Cpv Manufacturing (USA)
C-4581 Admiral Valve Llc Dba Cpv Manufacturing (USA)
570-3 PL-4776 Admiral Valve Llc Dba Cpv Manufacturing (USA)
6GSCW70-3 AND P/L2174 PRIMARY Hydrasearch Company, Llc (USA)
Related Parts
5330-00-842-8250INTERCHANGEABLE
GASKET
CA3960
4820-01-099-3727INTERCHANGEABLE
SEAT,VALVE
4505-1-DC

Frequently Asked Questions

What is NSN 4820-01-022-1369?

NSN 4820-01-022-1369 is a Valve,stop-Check, manufactured by Admiral Valve Llc Dba Cpv Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-022-1369?

NSN 4820-01-022-1369 has 6 cross-referenced part numbers: C4581PL990 1-2I (Admiral Valve Llc Dba Cpv Manufacturing), A6SI51-3 (Bec Systems Llc Dba Bec Machine Products), 570-3PL3737 (Admiral Valve Llc Dba Cpv Manufacturing), C-4581 (Admiral Valve Llc Dba Cpv Manufacturing), 570-3 PL-4776 (Admiral Valve Llc Dba Cpv Manufacturing) and 1 more.

What NSN replaces 4820-01-022-1369?

There are 2 known substitutes for 4820-01-022-1369: 5330-00-842-8250, 4820-01-099-3727. Verify interchangeability with system specifications before substitution.

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