PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

920-62Seat,valve

Tescom Corp Dba Tescom Div Tescom · NSN 4820-01-011-8288 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-011-8288 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-011-8288. Primary manufacturer part number: 920-62.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Style Designator: PLAIN
  • Material: STEEL OVERALL
  • Body Outside Diameter: 0.559 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Tescom Corp Dba Tescom Div Tescom
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-011-8288, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-011-8288
Primary Part Number920-62
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTescom Corp Dba Tescom Div Tescom
StatusACTIVE
Seating Surface ShapeFLAT
Style DesignatorPLAIN
MaterialSTEEL OVERALL
Body Outside Diameter0.559 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5985-00-310-4181373376-15 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company Dba Raytheon Co
5331-00-505-3924V0709 3-906 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5998-00-927-8010 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
920-62 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
920-62 PRIMARY Tescom Corp Dba Tescom Div Tescom (USA)
Related Parts
5985-00-310-4181INTERCHANGEABLE
ATTENUATOR,FIXED
373376-15
5331-00-505-3924INTERCHANGEABLE
O-RING
V0709 3-906
5998-00-927-8010INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 4820-01-011-8288?

NSN 4820-01-011-8288 is a Seat,valve, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-011-8288?

NSN 4820-01-011-8288 has 2 cross-referenced part numbers: 920-62 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 920-62 (Tescom Corp Dba Tescom Div Tescom).

What NSN replaces 4820-01-011-8288?

There are 3 known substitutes for 4820-01-011-8288: 5985-00-310-4181, 5331-00-505-3924, 5998-00-927-8010. Verify interchangeability with system specifications before substitution.

What are the specifications of 920-62?

Key specifications for 920-62: Overall Height: 0.034 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Style Designator: PLAIN; Material: STEEL OVERALL. 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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