PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B851129 PIECE 5Stem,fluid Valve

Bee Line Company · NSN 4820-01-251-5827 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-251-5827 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-251-5827. Primary manufacturer part number: B851129 PIECE 5.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: NICKEL ALLOY
  • 2 verified cross-references
  • Primary manufacturer: Bee Line Company
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 4820-01-251-5827, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bee Line Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-01-251-5827
Primary Part NumberB851129 PIECE 5
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBee Line Company
StatusACTIVE
MaterialNICKEL ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-01-187-1721 INTERCHANGEABLE
Reactor
Cross-Reference Index
Part NumberManufacturer
B851129 PIECE 5 Bee Line Company (USA)
851129-5 Bee Line Company (USA)
Related Parts
5950-01-187-1721INTERCHANGEABLE
REACTOR

Frequently Asked Questions

What is NSN 4820-01-251-5827?

NSN 4820-01-251-5827 is a Stem,fluid Valve, manufactured by Bee Line Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-251-5827?

NSN 4820-01-251-5827 has 2 cross-referenced part numbers: B851129 PIECE 5 (Bee Line Company), 851129-5 (Bee Line Company).

What NSN replaces 4820-01-251-5827?

There is 1 known substitute for 4820-01-251-5827: 5950-01-187-1721. Verify interchangeability with system specifications before substitution.

What are the specifications of B851129 PIECE 5?

Key specifications for B851129 PIECE 5: Material: NICKEL ALLOY. 1 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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