PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

507378-1Diaphragm,valve,flat

Smith Meter Inc Parts Opn · NSN 4820-00-735-5882 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-735-5882 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-735-5882. Primary manufacturer part number: 507378-1.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Material: RUBBER
  • 3 verified cross-references
  • Primary manufacturer: Smith Meter Inc Parts Opn
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-735-5882, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Smith Meter Inc Parts Opn. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-00-735-5882
Primary Part Number507378-1
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSmith Meter Inc Parts Opn
StatusCANCELLED
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5962-00-689-1633DM54H00J INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
507378-1 PRIMARY Smith Meter Inc Parts Opn (USA)
0B4VL2F PRIMARY Smith Meter Inc Parts Opn (USA)
507378-1 PRIMARY A. O. Smith Corporation Dba a O Smith Corp (USA)
Related Parts
5962-00-689-1633INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
DM54H00J

Frequently Asked Questions

What is NSN 4820-00-735-5882?

NSN 4820-00-735-5882 is a Diaphragm,valve,flat, manufactured by Smith Meter Inc Parts Opn, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-735-5882?

NSN 4820-00-735-5882 has 3 cross-referenced part numbers: 507378-1 (Smith Meter Inc Parts Opn), 0B4VL2F (Smith Meter Inc Parts Opn), 507378-1 (A. O. Smith Corporation Dba a O Smith Corp).

What NSN replaces 4820-00-735-5882?

There is 1 known substitute for 4820-00-735-5882: 5962-00-689-1633. Verify interchangeability with system specifications before substitution.

What are the specifications of 507378-1?

Key specifications for 507378-1: Material: RUBBER; Special Features: INCLUDES FABRIC INSERT. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-735-5882 still in active supply?

NSN 4820-00-735-5882 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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