PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

510-34Disk,valve

Tescom Corp Dba Tescom Div Tescom · NSN 4820-01-159-5695 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-159-5695 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-159-5695. Primary manufacturer part number: 510-34.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Seat Angle: 79.0 DEGREES NOMINAL
  • Shank Diameter: 0.185 INCHES NOMINAL IN
  • Flange Diameter: 0.375 INCHES NOMINAL IN
  • Style Designator: POPPET
  • 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 Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-159-5695, 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 5 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-159-5695
Primary Part Number510-34
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTescom Corp Dba Tescom Div Tescom
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Seat Angle79.0 DEGREES NOMINAL
Shank Diameter0.185 INCHES NOMINAL IN
Flange Diameter0.375 INCHES NOMINAL IN
Style DesignatorPOPPET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5133-00-266-9462 INTERCHANGEABLE
Drill,twist
5340-00-281-9896 INTERCHANGEABLE
Button,plug
5330-00-731-858751034 INTERCHANGEABLE
Gasket
Suntec Industries Inc Del Dba Suntec
1650-00-783-407751034 INTERCHANGEABLE
Parts Kit,valve
Woodward Hrt Inc
4820-01-116-6847 INTERCHANGEABLE
Stem,safety Valve
7510-01-214-53714300 INTERCHANGEABLE
Ribbon,inking
Supplies Intl
3020-01-243-6343CMP-18-236 INTERCHANGEABLE
Chain,roller
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
6130-01-582-5918 INTERCHANGEABLE
Charger,battery
Cross-Reference Index
Part NumberManufacturer
510-34 PRIMARY Tescom Corp Dba Tescom Div Tescom (USA)
510-34 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
5133-00-266-9462INTERCHANGEABLE
DRILL,TWIST
5340-00-281-9896INTERCHANGEABLE
BUTTON,PLUG
5330-00-731-8587INTERCHANGEABLE
GASKET
51034
1650-00-783-4077INTERCHANGEABLE
PARTS KIT,VALVE
51034
4820-01-116-6847INTERCHANGEABLE
STEM,SAFETY VALVE
7510-01-214-5371INTERCHANGEABLE
RIBBON,INKING
4300
3020-01-243-6343INTERCHANGEABLE
CHAIN,ROLLER
CMP-18-236
6130-01-582-5918INTERCHANGEABLE
CHARGER,BATTERY

Frequently Asked Questions

What is NSN 4820-01-159-5695?

NSN 4820-01-159-5695 is a Disk,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 4820-01-159-5695?

NSN 4820-01-159-5695 has 2 cross-referenced part numbers: 510-34 (Tescom Corp Dba Tescom Div Tescom), 510-34 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4820-01-159-5695?

There are 8 known substitutes for 4820-01-159-5695: 5133-00-266-9462, 5340-00-281-9896, 5330-00-731-8587 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 510-34?

Key specifications for 510-34: Overall Height: 0.948 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Seat Angle: 79.0 DEGREES NOMINAL; Shank Diameter: 0.185 INCHES NOMINAL IN. 6 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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