PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1385637-052AFValve,check

Naval Ship Systems Command · NSN 4820-00-058-3630 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-058-3630 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-058-3630. Primary manufacturer part number: 1385637-052AF.
Features
  • Valve,check — FSC 4820
  • Bolt Hole Nominal Diameter: 0.687 INCHES FIRST END IN
  • Media for Which Designed: WATER, SALT SINGLE RESPONSE
  • Style Designator: STRAIGHT THRU
  • Material: COPPER ALLOY BODY
  • Nominal Thickness: 1.062 INCHES FIRST END IN
  • Face to Face Distance: 13.750 INCHES IN
  • Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-058-3630, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-058-3630
Primary Part Number1385637-052AF
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Bolt Hole Nominal Diameter0.687 INCHES FIRST END IN
Media for Which DesignedWATER, SALT SINGLE RESPONSE
Style DesignatorSTRAIGHT THRU
MaterialCOPPER ALLOY BODY
Nominal Thickness1.062 INCHES FIRST END IN
Face to Face Distance13.750 INCHES IN
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Flange Face DesignPLAIN FIRST END
Nominal Outside Diameter9.062 INCHES FIRST END IN
MaterialNICKEL ALLOY SEAT
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Bolt Circle Nominal Diameter7.812 INCHES FIRST END IN
Valve Operation MethodAUTOMATIC
Bolt Hole Quantity10 FIRST END
Flange ShapeROUND WITH HOLES FIRST END
Renewable Seat Ring TypeTHREADED
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-058-3509803-1385637-023AF INTERCHANGEABLE
Valve,check
Naval Ship Systems Command
4820-00-489-53481260-011K 600 INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-00-878-4325803-1385637-082 INTERCHANGEABLE
Valve,check
Naval Ship Systems Command
4820-01-047-1941803-1385637-8-18 INTERCHANGEABLE
Disk Assembly,valve
Naval Ship Systems Command
4820-01-047-3689810-1385637-6PC3-4-7-10T0-12-15 INTERCHANGEABLE
Disk Assembly,valve
Naval Sea Systems Command
4820-01-048-7641803-1385637-03X-06 INTERCHANGEABLE
Plug,hinge Pin
Naval Sea Systems Command
4820-01-048-9366810-1385637-6-08 INTERCHANGEABLE
Disk,valve
Naval Sea Systems Command
5315-01-050-3510803-1385637 PIECE 9, SIZE 6 INTERCHANGEABLE
Pin,disk Hinge
Naval Ship Systems Command
4820-01-072-1204803-1385637-04X-17 INTERCHANGEABLE
Disk,valve
Naval Ship Systems Command
4820-01-120-4094803-1385637-02X-06 INTERCHANGEABLE
Plug,hinge Pin
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
5000-4824-1385637 Naval Ship Systems Command (USA)
1385637-5-250F Naval Ship Systems Command (USA)
5021B 5IN 10115 Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
810-1385637-05 Naval Ship Systems Command (USA)
1385637 Naval Ship Systems Command (USA)
1260-001-5IN Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
1385637-052AF PRIMARY Naval Ship Systems Command (USA)
803-1385637-052 PRIMARY Naval Ship Systems Command (USA)
803-1385637 Naval Ship Systems Command (USA)
803-1385637-5 Naval Ship Systems Command (USA)
810-1385637 Naval Ship Systems Command (USA)
Related Parts
4820-00-058-3509INTERCHANGEABLE
VALVE,CHECK
803-1385637-023AF
4820-00-489-5348INTERCHANGEABLE
VALVE,CHECK
1260-011K 600
4820-00-878-4325INTERCHANGEABLE
VALVE,CHECK
803-1385637-082
4820-01-047-1941INTERCHANGEABLE
DISK ASSEMBLY,VALVE
803-1385637-8-18
4820-01-047-3689INTERCHANGEABLE
DISK ASSEMBLY,VALVE
810-1385637-6PC3-4-7-10T0-12-15
4820-01-048-7641INTERCHANGEABLE
PLUG,HINGE PIN
803-1385637-03X-06
4820-01-048-9366INTERCHANGEABLE
DISK,VALVE
810-1385637-6-08
5315-01-050-3510INTERCHANGEABLE
PIN,DISK HINGE
803-1385637 PIECE 9, SIZE 6
4820-01-072-1204INTERCHANGEABLE
DISK,VALVE
803-1385637-04X-17
4820-01-120-4094INTERCHANGEABLE
PLUG,HINGE PIN
803-1385637-02X-06
4820-01-426-2460INTERCHANGEABLE
VALVE,CHECK
1260-014K800
4820-01-435-5880INTERCHANGEABLE
DISK,VALVE
803-1385637-05X-20

Frequently Asked Questions

What is NSN 4820-00-058-3630?

NSN 4820-00-058-3630 is a Valve,check, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-058-3630?

NSN 4820-00-058-3630 has 11 cross-referenced part numbers: 5000-4824-1385637 (Naval Ship Systems Command), 1385637-5-250F (Naval Ship Systems Command), 5021B 5IN 10115 (Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings), 810-1385637-05 (Naval Ship Systems Command), 1385637 (Naval Ship Systems Command) and 6 more.

What NSN replaces 4820-00-058-3630?

There are 12 known substitutes for 4820-00-058-3630: 4820-00-058-3509, 4820-00-489-5348, 4820-00-878-4325 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1385637-052AF?

Key specifications for 1385637-052AF: Bolt Hole Nominal Diameter: 0.687 INCHES FIRST END IN; Media for Which Designed: WATER, SALT SINGLE RESPONSE; Style Designator: STRAIGHT THRU; Material: COPPER ALLOY BODY. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-058-3630 still in active supply?

NSN 4820-00-058-3630 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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