Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-521-2221 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-521-2221 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-521-2221. Primary manufacturer part number: 20330.
4820-01-521-2221 — No Item Name Available illustration
Features
Valve,safety Relief — FSC 4820
Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION
Criticality Code Justification: ZZZY
3 verified cross-references
Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
Flow control in piping systems
Pressure regulation
Steam and fluid isolation
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-521-2221, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 2 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-521-2221
Primary Part Number
20330
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — No Item Name Available
Manufacturer
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Status
ACTIVE
Reference Number Differentiating Characteristics
MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION
NSN 4820-01-521-2221 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
What are the part numbers for NSN 4820-01-521-2221?
NSN 4820-01-521-2221 has 3 cross-referenced part numbers: 20330 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 5215NA140000 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20330 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
What NSN replaces 4820-01-521-2221?
There are 11 known substitutes for 4820-01-521-2221: 5365-00-112-2257, 4530-00-394-8521, 5330-00-432-3638 and 8 more. Verify interchangeability with system specifications before substitution.
What are the specifications of 20330?
Key specifications for 20330: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.
✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.