PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28877NTRL1Valve,regulating,fluid Pressure

Naval Inventory Control Point Mechanicsburg · NSN 4820-01-422-0423 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-422-0423 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-422-0423. Primary manufacturer part number: 28877NTRL1.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Reference Number Differentiating Characteristics: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
  • Material: STEEL UNS J03002 BODY
  • Material Document and Classification: UNABLE TO DECODE
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Uns J03002 Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-422-0423, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Active.

Technical Specifications
ParameterValue
NSN4820-01-422-0423
Primary Part Number28877NTRL1
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Reference Number Differentiating CharacteristicsQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
MaterialSTEEL UNS J03002 BODY
Material Document and ClassificationUNABLE TO DECODE
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-221-4324 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Cross-Reference Index
Part NumberManufacturer
28877NTRL1 Naval Inventory Control Point Mechanicsburg (USA)
28877NTR Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-01-221-4324INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE

Frequently Asked Questions

What is NSN 4820-01-422-0423?

NSN 4820-01-422-0423 is a Valve,regulating,fluid Pressure, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-422-0423?

NSN 4820-01-422-0423 has 2 cross-referenced part numbers: 28877NTRL1 (Naval Inventory Control Point Mechanicsburg), 28877NTR (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-422-0423?

There is 1 known substitute for 4820-01-422-0423: 4820-01-221-4324. Verify interchangeability with system specifications before substitution.

What are the specifications of 28877NTRL1?

Key specifications for 28877NTRL1: Reference Number Differentiating Characteristics: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS; Material: STEEL UNS J03002 BODY; Material Document and Classification: UNABLE TO DECODE; Criticality Code Justification: ZZZY. 4 total characteristics are documented in the Federal Logistics Information System.

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