PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51968Diaphragm,valve,flat

Grove Valve Operations · NSN 4820-00-160-8043 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-160-8043 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-160-8043. Primary manufacturer part number: 51968.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 1 verified cross-reference
  • Primary manufacturer: Grove Valve Operations
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-160-8043, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-160-8043
Primary Part Number51968
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGrove Valve Operations
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5355-00-160-71051755762 INTERCHANGEABLE
Knob
Naval Ship Systems Command
1680-01-163-028051968 INTERCHANGEABLE
Cover,rear
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
3110-01-525-022551968 INTERCHANGEABLE
Bearing,roller,cylindrical
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
51968 PRIMARY Grove Valve Operations (USA)
Related Parts
5355-00-160-7105INTERCHANGEABLE
KNOB
1755762
1680-01-163-0280INTERCHANGEABLE
COVER,REAR
51968
3110-01-525-0225INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
51968

Frequently Asked Questions

What is NSN 4820-00-160-8043?

NSN 4820-00-160-8043 is a Diaphragm,valve,flat, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-160-8043?

NSN 4820-00-160-8043 has 1 cross-referenced part number: 51968 (Grove Valve Operations).

What NSN replaces 4820-00-160-8043?

There are 3 known substitutes for 4820-00-160-8043: 5355-00-160-7105, 1680-01-163-0280, 3110-01-525-0225. Verify interchangeability with system specifications before substitution.

What are the specifications of 51968?

Key specifications for 51968: Material: STEEL CORROSION RESISTING. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-160-8043 still in active supply?

NSN 4820-00-160-8043 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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