PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NB25221E-0000Disk,valve

Pima Valve, Llc · NSN 4820-01-486-8875 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-486-8875 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-486-8875. Primary manufacturer part number: NB25221E-0000.
Features
  • Disk,valve — FSC 4820
  • Material: NICKEL ALLOY
  • 3 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 Disk,valve, cataloged under National Stock Number 4820-01-486-8875, 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 1 verified specification, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-486-8875
Primary Part NumberNB25221E-0000
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPima Valve, Llc
StatusACTIVE
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
4820-01-486-8849 INTERCHANGEABLE
Stem,fluid Valve
4820-01-486-8872 INTERCHANGEABLE
Valve,globe
Cross-Reference Index
Part NumberManufacturer
NB25221E-0000 Pima Valve, Llc (USA)
NB25221E-0800-33 Pima Valve, Llc (USA)
NB25221E-0800-33 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
4820-01-486-8849INTERCHANGEABLE
STEM,FLUID VALVE
4820-01-486-8872INTERCHANGEABLE
VALVE,GLOBE

Frequently Asked Questions

What is NSN 4820-01-486-8875?

NSN 4820-01-486-8875 is a Disk,valve, manufactured by Pima Valve, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-486-8875?

NSN 4820-01-486-8875 has 3 cross-referenced part numbers: NB25221E-0000 (Pima Valve, Llc), NB25221E-0800-33 (Pima Valve, Llc), NB25221E-0800-33 (Hunt Valve Company, Inc.).

What NSN replaces 4820-01-486-8875?

There are 9 known substitutes for 4820-01-486-8875: 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: Material: NICKEL ALLOY; End Item Identification: NHA:GLOBE VALVE,STOP CHECK,8IN.,NIMITZ CLASS CVN IN. 2 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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