PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

680-11Disk,valve

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-01-012-3527 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-012-3527 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-012-3527. Primary manufacturer part number: 680-11.
Features
  • Disk,valve — FSC 4820
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Temp Rating: 160.0 FAHRENHEIT MAXIMUM DEGF
  • Media for Which Designed: GAS
  • Pressure Rating: 2500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • 3 verified cross-references
  • Primary manufacturer: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-012-3527, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 4 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-012-3527
Primary Part Number680-11
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Temp Rating160.0 FAHRENHEIT MAXIMUM DEGF
Media for Which DesignedGAS
Pressure Rating2500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-105-52516801-1 INTERCHANGEABLE
Bearing,ball,fairlead
Harper Engineering Company
5120-00-242-7411 INTERCHANGEABLE
Key,socket Head Screw
5310-00-441-56106801-1ELA INTERCHANGEABLE
Washer,flat
Prestolite Electric Inc
5935-00-581-78371916-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
8125-01-019-067366106 INTERCHANGEABLE
Bottle,screw Cap
United States Plastic Corp
5330-01-185-343468011 INTERCHANGEABLE
Seal,plain
Caterpillar Inc Div Caterpillar Defense
4810-01-207-2379N68011 INTERCHANGEABLE
Valve,solenoid
Leslie Controls, Inc. Dba Leslie Controls Inc
6685-01-221-4600 INTERCHANGEABLE
Gage,pressure,dial Indicating
5331-01-319-20306801100 INTERCHANGEABLE
O-Ring
Alfa Laval Inc
5950-01-500-5615 INTERCHANGEABLE
Transformer,radio Frequency
Cross-Reference Index
Part NumberManufacturer
680-11 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
5414F4A Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
5414F4A Tescom Corp Dba Tescom Div Tescom (USA)
Related Parts
3110-00-105-5251INTERCHANGEABLE
BEARING,BALL,FAIRLEAD
6801-1
5120-00-242-7411INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5310-00-441-5610INTERCHANGEABLE
WASHER,FLAT
6801-1ELA
5935-00-581-7837INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1916-1
8125-01-019-0673INTERCHANGEABLE
BOTTLE,SCREW CAP
66106
5330-01-185-3434INTERCHANGEABLE
SEAL,PLAIN
68011
4810-01-207-2379INTERCHANGEABLE
VALVE,SOLENOID
N68011
6685-01-221-4600INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
5331-01-319-2030INTERCHANGEABLE
O-RING
6801100
5950-01-500-5615INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
2590-01-580-8330INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
68011
5210-01-633-9974INTERCHANGEABLE
CALIPER,MICROMETER,OUTSIDE
68011

Frequently Asked Questions

What is NSN 4820-01-012-3527?

NSN 4820-01-012-3527 is a Disk,valve, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-012-3527?

NSN 4820-01-012-3527 has 3 cross-referenced part numbers: 680-11 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 5414F4A (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 5414F4A (Tescom Corp Dba Tescom Div Tescom).

What NSN replaces 4820-01-012-3527?

There are 12 known substitutes for 4820-01-012-3527: 3110-00-105-5251, 5120-00-242-7411, 5310-00-441-5610 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 680-11?

Key specifications for 680-11: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Temp Rating: 160.0 FAHRENHEIT MAXIMUM DEGF; Media for Which Designed: GAS; Pressure Rating: 2500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 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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