PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7945-053-002-SDisk,valve

Velan Valve Corp. · NSN 4820-01-468-8424 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-468-8424 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-468-8424. Primary manufacturer part number: 7945-053-002-S.
Features
  • Disk,valve — FSC 4820
  • Shoulder Width: 0.500 INCHES MAXIMUM IN
  • Material: STEEL AND CARBON
  • Outside Diameter: 4.495 INCHES NOMINAL IN
  • Thread Series Designator: UN
  • Thread Quantity Per Inch: 12
  • Seat Angle: 12.0 DEGREES MAXIMUM
  • Style Designator: PLUG
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel and Carbon construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-468-8424, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-468-8424
Primary Part Number7945-053-002-S
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Shoulder Width0.500 INCHES MAXIMUM IN
MaterialSTEEL AND CARBON
Outside Diameter4.495 INCHES NOMINAL IN
Thread Series DesignatorUN
Thread Quantity Per Inch12
Seat Angle12.0 DEGREES MAXIMUM
Style DesignatorPLUG
Nominal Thread Size2.625 INCHES IN
Shoulder Height0.625 INCHES NOMINAL IN
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-01-156-4876A12-7945-056-209 INTERCHANGEABLE
Stem and Disc Assembly
Velan Valve Corp.
4820-01-437-3054A12-7945-053-178 INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
5310-01-466-409288-22790-5 INTERCHANGEABLE
Nut,plain,hexagon
Department of Defense Project Manager-Mobile Electric Power
4820-01-468-83867915-078-063 INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
4820-01-468-84318255-000-061 INTERCHANGEABLE
Disk,valve
Velan Valve Corp.
4820-01-469-2199B12-2074P-02TS,CDS244978GO1 IT31 INTERCHANGEABLE
Valve,globe
Velan Valve Corp.
4820-01-470-57509553-003-065 INTERCHANGEABLE
Disk Pad,valve
Velan Valve Corp.
4820-01-493-74198265-050-031 INTERCHANGEABLE
Cap,valve
Velan Valve Corp.
4820-01-545-2266 INTERCHANGEABLE
Valve,relief,pressure and Temper
Cross-Reference Index
Part NumberManufacturer
7850-013 Velan Valve Corp. (USA)
7945-053-002-S PRIMARY Velan Valve Corp. (USA)
7850-013 ITEM NO 05D Velan Valve Corp. (USA)
Related Parts
4820-01-156-4876INTERCHANGEABLE
STEM AND DISC ASSEMBLY
A12-7945-056-209
4820-01-437-3054INTERCHANGEABLE
STEM,FLUID VALVE
A12-7945-053-178
5310-01-466-4092INTERCHANGEABLE
NUT,PLAIN,HEXAGON
88-22790-5
4820-01-468-8386INTERCHANGEABLE
STEM,FLUID VALVE
7915-078-063
4820-01-468-8431INTERCHANGEABLE
DISK,VALVE
8255-000-061
4820-01-469-2199INTERCHANGEABLE
VALVE,GLOBE
B12-2074P-02TS,CDS244978GO1 IT31
4820-01-470-5750INTERCHANGEABLE
DISK PAD,VALVE
9553-003-065
4820-01-493-7419INTERCHANGEABLE
CAP,VALVE
8265-050-031
4820-01-545-2266INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER

Frequently Asked Questions

What is NSN 4820-01-468-8424?

NSN 4820-01-468-8424 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-468-8424?

NSN 4820-01-468-8424 has 3 cross-referenced part numbers: 7850-013 (Velan Valve Corp.), 7945-053-002-S (Velan Valve Corp.), 7850-013 ITEM NO 05D (Velan Valve Corp.).

What NSN replaces 4820-01-468-8424?

There are 9 known substitutes for 4820-01-468-8424: 4820-01-156-4876, 4820-01-437-3054, 5310-01-466-4092 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7945-053-002-S?

Key specifications for 7945-053-002-S: Shoulder Width: 0.500 INCHES MAXIMUM IN; End Item Identification: WEAPON SYSTEM DESIGNATOR:WASP CLASS LHD; Overall Height: 3.000 INCHES NOMINAL IN; Material: STEEL AND CARBON. 12 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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