PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1385 1/2 YB2385C223 20-35Valve,safety Relief

Sewing Center the · NSN 4820-01-141-1427 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-141-1427 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-141-1427. Primary manufacturer part number: 1385 1/2 YB2385C223 20-35.
Features
  • Valve,safety Relief — FSC 4820
  • Bonnet Attachment Method: UNION
  • Furnished Items and Quantity: 1 LEVER AND 2 NUT AND 2 TAILPIECE
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Disk Loading Method: SPRING
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
  • Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Style: SOCKET WITH BRAZING RING (TUBE) ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Seat construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-141-1427, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sewing Center the. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-141-1427
Primary Part Number1385 1/2 YB2385C223 20-35
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSewing Center the
StatusCANCELLED
Bonnet Attachment MethodUNION
Furnished Items and Quantity1 LEVER AND 2 NUT AND 2 TAILPIECE
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Disk Loading MethodSPRING
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
Maximum Operating Temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection StyleSOCKET WITH BRAZING RING (TUBE) ALL ENDS
MaterialCOPPER ALLOY BODY
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Flow Control DeviceDISK
Bonnet TypeINSIDE SPRING
Valve Operation MethodMANUAL
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Media for Which DesignedWATER, SALT SINGLE RESPONSE
Style DesignatorANGLE
Opening Pressure Setting35.0 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4820-01-282-8463YB2385C224 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
2385C223 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1384 1-2IN 20T3 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1385 1/2IN SBUE 20-35PSI E3650 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1385 1/2 YB2385C223 20-35 PRIMARY Sewing Center the (USA)
1384 1/2IN 20T35PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PL4149 C3277 1/2IN 20T35PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
YB2385C223 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1385 1/2 PL2385K44C 20T35PSI PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
YB2385K44C PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PL-2385K44C Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1382 1/2IN. PL4120 20T35PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1385 1/2IN 20T35PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
2385C224 Sewing Center the (USA)
Related Parts
4820-01-282-8463INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385C224

Frequently Asked Questions

What is NSN 4820-01-141-1427?

NSN 4820-01-141-1427 is a Valve,safety Relief, manufactured by Sewing Center the, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-141-1427?

NSN 4820-01-141-1427 has 13 cross-referenced part numbers: 2385C223 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1384 1-2IN 20T3 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1385 1/2IN SBUE 20-35PSI E3650 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1385 1/2 YB2385C223 20-35 (Sewing Center the), 1384 1/2IN 20T35PSI (Leslie Controls, Inc. Dba Leslie Controls Inc) and 8 more.

What NSN replaces 4820-01-141-1427?

There is 1 known substitute for 4820-01-141-1427: 4820-01-282-8463. Verify interchangeability with system specifications before substitution.

What are the specifications of 1385 1/2 YB2385C223 20-35?

Key specifications for 1385 1/2 YB2385C223 20-35: Bonnet Attachment Method: UNION; Furnished Items and Quantity: 1 LEVER AND 2 NUT AND 2 TAILPIECE; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Disk Loading Method: SPRING. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-141-1427 still in active supply?

NSN 4820-01-141-1427 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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