PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20186PC7Disk,valve

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-01-351-3441 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-351-3441 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-351-3441. Primary manufacturer part number: 20186PC7.
Features
  • Disk,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 4 verified cross-references
  • Primary manufacturer: Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-351-3441, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-351-3441
Primary Part Number20186PC7
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-913-4736 INTERCHANGEABLE
Disk,valve
4820-01-168-0302 INTERCHANGEABLE
Disk Assembly,valve
Cross-Reference Index
Part NumberManufacturer
20186PC7 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20274FN7 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
8721PC5 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A7910.003.000(SPCLN) Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4820-00-913-4736INTERCHANGEABLE
DISK,VALVE
4820-01-168-0302INTERCHANGEABLE
DISK ASSEMBLY,VALVE

Frequently Asked Questions

What is NSN 4820-01-351-3441?

NSN 4820-01-351-3441 is a Disk,valve, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-351-3441?

NSN 4820-01-351-3441 has 4 cross-referenced part numbers: 20186PC7 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20274FN7 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8721PC5 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A7910.003.000(SPCLN) (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-351-3441?

There are 2 known substitutes for 4820-01-351-3441: 4820-00-913-4736, 4820-01-168-0302. Verify interchangeability with system specifications before substitution.

What are the specifications of 20186PC7?

Key specifications for 20186PC7: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 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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