PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80001-3Seat,valve

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-01-011-6680 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-011-6680 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-011-6680. Primary manufacturer part number: 80001-3.
Features
  • Seat,valve — FSC 4820
  • Flange Diameter: 0.875 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Seating Surface Shape: ANGULAR
  • Style Designator: PLAIN FLANGED
  • Body Outside Diameter: 0.553 INCHES NOMINAL IN
  • Seat Angle in Deg: 45.000 NOMINAL
  • Flange Seat to Disk End Height: 0.268 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-011-6680, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-011-6680
Primary Part Number80001-3
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
Flange Diameter0.875 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Seating Surface ShapeANGULAR
Style DesignatorPLAIN FLANGED
Body Outside Diameter0.553 INCHES NOMINAL IN
Seat Angle in Deg45.000 NOMINAL
Flange Seat to Disk End Height0.268 INCHES NOMINAL IN
Body Inside Diameter0.375 INCHES NOMINAL IN
Under Flange Height0.082 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5910-00-083-0983131-55-23 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5910-00-446-1955D29222 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Sprague Electric Co World Hqs
6160-00-734-85137348513 INTERCHANGEABLE
Cover,battery Retainer
U S Army Tank Automotive Command Amsta-Im-Mm
5365-01-139-43478000-13 INTERCHANGEABLE
Shim Set
Cone Drive Operations Inc
6545-01-529-418580-0013 INTERCHANGEABLE
First Aid Kit,utility
North American Rescue, Llc
Cross-Reference Index
Part NumberManufacturer
7222F6 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
80001-3 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
5910-00-083-0983INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
131-55-23
5910-00-446-1955INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
D29222
6160-00-734-8513INTERCHANGEABLE
COVER,BATTERY RETAINER
7348513
5365-01-139-4347INTERCHANGEABLE
SHIM SET
8000-13
6545-01-529-4185INTERCHANGEABLE
FIRST AID KIT,UTILITY
80-0013

Frequently Asked Questions

What is NSN 4820-01-011-6680?

NSN 4820-01-011-6680 is a Seat,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 4820-01-011-6680?

NSN 4820-01-011-6680 has 2 cross-referenced part numbers: 7222F6 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 80001-3 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4820-01-011-6680?

There are 5 known substitutes for 4820-01-011-6680: 5910-00-083-0983, 5910-00-446-1955, 6160-00-734-8513 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 80001-3?

Key specifications for 80001-3: Flange Diameter: 0.875 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL; Seating Surface Shape: ANGULAR; Style Designator: PLAIN FLANGED. 9 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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