PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6677Disk,valve

Imi Cash Valve Inc · NSN 4820-00-542-3051 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-542-3051 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-542-3051. Primary manufacturer part number: 6677.
Features
  • Disk,valve — FSC 4820
  • Material: RUBBER
  • Inside Diameter: 0.375 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • 8 verified cross-references
  • Primary manufacturer: Imi Cash Valve Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-542-3051, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Imi Cash Valve Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-542-3051
Primary Part Number6677
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerImi Cash Valve Inc
StatusACTIVE
MaterialRUBBER
Inside Diameter0.375 INCHES NOMINAL IN
Style DesignatorPLAIN
Outside Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5210-00-101-7198599-9647-70 INTERCHANGEABLE
Blade,thickness Gage
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5330-00-237-76926677 INTERCHANGEABLE
Gasket
Coffin Turbo Pump Inc
4030-00-273-3082 INTERCHANGEABLE
Terminal,rope,swaging
3455-00-313-655835182 INTERCHANGEABLE
Cutter,milling,end
Niagara Cutter Inc
3010-00-391-40846677 INTERCHANGEABLE
Coupling Half,shaft
Rexnord Industries Llc
5950-00-434-261816DW1320-3 INTERCHANGEABLE
Transformer,radio Frequency
Hobart Bros Co
5960-00-715-0190 INTERCHANGEABLE
Electron Tube
5895-00-771-5404103222-000 INTERCHANGEABLE
Ring Assembly,contr
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
4820-00-969-21258781 INTERCHANGEABLE
Seat,valve
Imi Cash Valve Inc
4520-01-038-4588 INTERCHANGEABLE
Valve,air Venting,steam
Cross-Reference Index
Part NumberManufacturer
6677 PRIMARY Imi Cash Valve Inc (USA)
15785 ITEM 14 Imi Cash Valve Inc (USA)
15785 Imi Cash Valve Inc (USA)
4752B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
SET204 Worthington Compressors Inc Air Power and Construction Equip Div (USA)
200110AHPC488 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
4752B Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
4752B Siemens Energy, Inc. Dba Dresser-Rand (USA)
Related Parts
5210-00-101-7198INTERCHANGEABLE
BLADE,THICKNESS GAGE
599-9647-70
5330-00-237-7692INTERCHANGEABLE
GASKET
6677
4030-00-273-3082INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
3455-00-313-6558INTERCHANGEABLE
CUTTER,MILLING,END
35182
3010-00-391-4084INTERCHANGEABLE
COUPLING HALF,SHAFT
6677
5950-00-434-2618INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
16DW1320-3
5960-00-715-0190INTERCHANGEABLE
ELECTRON TUBE
5895-00-771-5404INTERCHANGEABLE
RING ASSEMBLY,CONTR
103222-000
4820-00-969-2125INTERCHANGEABLE
SEAT,VALVE
8781
4520-01-038-4588INTERCHANGEABLE
VALVE,AIR VENTING,STEAM
3455-01-050-9844INTERCHANGEABLE
CUTTER,MILLING,END
15785
4820-01-097-0517INTERCHANGEABLE
STEM,FLUID VALVE
7225

Frequently Asked Questions

What is NSN 4820-00-542-3051?

NSN 4820-00-542-3051 is a Disk,valve, manufactured by Imi Cash Valve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-542-3051?

NSN 4820-00-542-3051 has 8 cross-referenced part numbers: 6677 (Imi Cash Valve Inc), 15785 ITEM 14 (Imi Cash Valve Inc), 15785 (Imi Cash Valve Inc), 4752B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), SET204 (Worthington Compressors Inc Air Power and Construction Equip Div) and 3 more.

What NSN replaces 4820-00-542-3051?

There are 12 known substitutes for 4820-00-542-3051: 5210-00-101-7198, 5330-00-237-7692, 4030-00-273-3082 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6677?

Key specifications for 6677: Material: RUBBER; Inside Diameter: 0.375 INCHES NOMINAL IN; Style Designator: PLAIN; Outside Diameter: 1.250 INCHES NOMINAL IN. 5 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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