PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

540018020039658Stem,fluid Valve

Tate Andale, Llc · NSN 4820-01-526-4129 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-526-4129 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-526-4129. Primary manufacturer part number: 540018020039658.
Features
  • Stem,fluid Valve — FSC 4820
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
  • Valve Size for Which Designed: 2.000 INCHES IN
  • Material: NICKEL ALLOY
  • Valve Type for Which Designed: STOP-CHECK
  • 4 verified cross-references
  • Primary manufacturer: Tate Andale, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-526-4129, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tate Andale, Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-526-4129
Primary Part Number540018020039658
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTate Andale, Llc
StatusACTIVE
Stem Actuating End TypeTHREADED EXTERNALLY
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
Valve Size for Which Designed2.000 INCHES IN
MaterialNICKEL ALLOY
Valve Type for Which DesignedSTOP-CHECK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-526-2896228005760059881 INTERCHANGEABLE
Disk,valve
Tate Andale, Llc
Cross-Reference Index
Part NumberManufacturer
33977 Tate Andale, Llc (USA)
33977 FIND 6 Tate Andale, Llc (USA)
16701-11 Tate Andale, Llc (USA)
540018020039658 PRIMARY Tate Andale, Llc (USA)
Related Parts
4820-01-526-2896INTERCHANGEABLE
DISK,VALVE
228005760059881

Frequently Asked Questions

What is NSN 4820-01-526-4129?

NSN 4820-01-526-4129 is a Stem,fluid Valve, manufactured by Tate Andale, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-526-4129?

NSN 4820-01-526-4129 has 4 cross-referenced part numbers: 33977 (Tate Andale, Llc), 33977 FIND 6 (Tate Andale, Llc), 16701-11 (Tate Andale, Llc), 540018020039658 (Tate Andale, Llc).

What NSN replaces 4820-01-526-4129?

There is 1 known substitute for 4820-01-526-4129: 4820-01-526-2896. Verify interchangeability with system specifications before substitution.

What are the specifications of 540018020039658?

Key specifications for 540018020039658: Stem Actuating End Type: THREADED EXTERNALLY; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE; Valve Size for Which Designed: 2.000 INCHES IN; Material: NICKEL ALLOY. 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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