PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A841102-2Disk,valve

Naval Inventory Control Point Mechanicsburg · NSN 4820-01-271-0201 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-271-0201 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-271-0201. Primary manufacturer part number: A841102-2.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL
  • Media for Which Designed: WATER
  • Temp Rating: 100.0 FAHRENHEIT NOMINAL DEGF
  • 3 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-271-0201, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-271-0201
Primary Part NumberA841102-2
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
MaterialSTEEL
Media for Which DesignedWATER
Temp Rating100.0 FAHRENHEIT NOMINAL DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5355-00-508-7574 INTERCHANGEABLE
Knob
4730-01-291-5319 INTERCHANGEABLE
Adapter Bushing
Cross-Reference Index
Part NumberManufacturer
A841102-2 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
B851173 PIECE 2 Bee Line Company (USA)
B851173 Bee Line Company (USA)
Related Parts
5355-00-508-7574INTERCHANGEABLE
KNOB
4730-01-291-5319INTERCHANGEABLE
ADAPTER BUSHING

Frequently Asked Questions

What is NSN 4820-01-271-0201?

NSN 4820-01-271-0201 is a Disk,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-271-0201?

NSN 4820-01-271-0201 has 3 cross-referenced part numbers: A841102-2 (Naval Inventory Control Point Mechanicsburg), B851173 PIECE 2 (Bee Line Company), B851173 (Bee Line Company).

What NSN replaces 4820-01-271-0201?

There are 2 known substitutes for 4820-01-271-0201: 5355-00-508-7574, 4730-01-291-5319. Verify interchangeability with system specifications before substitution.

What are the specifications of A841102-2?

Key specifications for A841102-2: Material: STEEL; Media for Which Designed: WATER; Temp Rating: 100.0 FAHRENHEIT NOMINAL DEGF. 3 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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