PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28877N ITEM 17Diaphragm,valve,flat

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-422-0484 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-422-0484 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-422-0484. Primary manufacturer part number: 28877N ITEM 17.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Reference Number Differentiating Characteristics: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
  • Criticality Code Justification: ZZZY
  • 4 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-422-0484, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4820-01-422-0484
Primary Part Number28877N ITEM 17
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Reference Number Differentiating CharacteristicsQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-218-0067N674030057 INTERCHANGEABLE
Diaphragm Base,complete
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
28877N ITEM 17 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
67403-0057 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
28877N ITEM 17L1 Naval Inventory Control Point Mechanicsburg (USA)
67403-0057L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
4820-01-218-0067INTERCHANGEABLE
DIAPHRAGM BASE,COMPLETE
N674030057

Frequently Asked Questions

What is NSN 4820-01-422-0484?

NSN 4820-01-422-0484 is a Diaphragm,valve,flat, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-422-0484?

NSN 4820-01-422-0484 has 4 cross-referenced part numbers: 28877N ITEM 17 (Leslie Controls, Inc. Dba Leslie Controls Inc), 67403-0057 (Leslie Controls, Inc. Dba Leslie Controls Inc), 28877N ITEM 17L1 (Naval Inventory Control Point Mechanicsburg), 67403-0057L1 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-01-422-0484?

There is 1 known substitute for 4820-01-422-0484: 4820-01-218-0067. Verify interchangeability with system specifications before substitution.

What are the specifications of 28877N ITEM 17?

Key specifications for 28877N ITEM 17: Reference Number Differentiating Characteristics: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS; Criticality Code Justification: ZZZY; End Item Identification: VALVE,RED 1.5X3.00IPS 25T 35PSI FLGE STL. 3 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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