PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NB25221E-0000Stem,fluid Valve

Pima Valve, Llc · NSN 4820-01-486-8849 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-486-8849 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-486-8849. Primary manufacturer part number: NB25221E-0000.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Type for Which Designed: GLOBE
  • Valve Size for Which Designed: 8.000 INCHES IN
  • Material: NICKEL ALLOY
  • 5 verified cross-references
  • Primary manufacturer: Pima Valve, 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 4820-01-486-8849, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pima Valve, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, 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
NSN4820-01-486-8849
Primary Part NumberNB25221E-0000
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPima Valve, Llc
StatusACTIVE
Valve Type for Which DesignedGLOBE
Valve Size for Which Designed8.000 INCHES IN
MaterialNICKEL ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-01-328-6261 INTERCHANGEABLE
Valve,stop-Check
4820-01-329-3541 INTERCHANGEABLE
Stem,fluid Valve
4820-01-331-2910 INTERCHANGEABLE
Seat,valve
4820-01-331-8670 INTERCHANGEABLE
Valve,stop-Check
4820-01-331-8836C548.06 INTERCHANGEABLE
Stem,fluid Valve
Hunt Valve Company, Inc.
4820-01-331-8881NB25221E-0000 PC 33 6INCH INTERCHANGEABLE
Disk,valve
Hunt Valve Company, Inc.
4820-01-486-8844 INTERCHANGEABLE
Seat,valve
4820-01-486-8872 INTERCHANGEABLE
Valve,globe
4820-01-486-8875 INTERCHANGEABLE
Disk,valve
Cross-Reference Index
Part NumberManufacturer
NB25221E-0000 Pima Valve, Llc (USA)
NB25221E-0000 PART 9 8IN Pima Valve, Llc (USA)
NB25221E-0800-9 Pima Valve, Llc (USA)
NB25221E-0000 PART 9 8IN Hunt Valve Company, Inc. (USA)
NB25221E-0800-9 Hunt Valve Company, Inc. (USA)
Related Parts
4820-01-328-6261INTERCHANGEABLE
VALVE,STOP-CHECK
4820-01-329-3541INTERCHANGEABLE
STEM,FLUID VALVE
4820-01-331-2910INTERCHANGEABLE
SEAT,VALVE
4820-01-331-8670INTERCHANGEABLE
VALVE,STOP-CHECK
4820-01-331-8836INTERCHANGEABLE
STEM,FLUID VALVE
C548.06
4820-01-331-8881INTERCHANGEABLE
DISK,VALVE
NB25221E-0000 PC 33 6INCH
4820-01-486-8844INTERCHANGEABLE
SEAT,VALVE
4820-01-486-8872INTERCHANGEABLE
VALVE,GLOBE
4820-01-486-8875INTERCHANGEABLE
DISK,VALVE

Frequently Asked Questions

What is NSN 4820-01-486-8849?

NSN 4820-01-486-8849 is a Stem,fluid Valve, manufactured by Pima Valve, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-486-8849?

NSN 4820-01-486-8849 has 5 cross-referenced part numbers: NB25221E-0000 (Pima Valve, Llc), NB25221E-0000 PART 9 8IN (Pima Valve, Llc), NB25221E-0800-9 (Pima Valve, Llc), NB25221E-0000 PART 9 8IN (Hunt Valve Company, Inc.), NB25221E-0800-9 (Hunt Valve Company, Inc.).

What NSN replaces 4820-01-486-8849?

There are 9 known substitutes for 4820-01-486-8849: 4820-01-328-6261, 4820-01-329-3541, 4820-01-331-2910 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NB25221E-0000?

Key specifications for NB25221E-0000: Valve Type for Which Designed: GLOBE; Valve Size for Which Designed: 8.000 INCHES IN; End Item Identification: E/I:GLOBE VALVE (STOP CHECK),NIMITZ CLASS CVN; Material: NICKEL ALLOY. 4 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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