PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

845-2180962Ball,valve

Naval Ship Systems Command · NSN 4820-00-085-0146 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-085-0146 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-085-0146. Primary manufacturer part number: 845-2180962.
Features
  • Ball,valve — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 3 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Ball,valve, cataloged under National Stock Number 4820-00-085-0146, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-085-0146
Primary Part Number845-2180962
Item NameBall,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-01-160-6245 INTERCHANGEABLE
O-Ring
4820-01-381-0603 INTERCHANGEABLE
Valve,ball
Cross-Reference Index
Part NumberManufacturer
845-2180962 Naval Ship Systems Command (USA)
2640-696X1 PC 20 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
845-2180962, PC.20 Naval Ship Systems Command (USA)
Related Parts
5331-01-160-6245INTERCHANGEABLE
O-RING
4820-01-381-0603INTERCHANGEABLE
VALVE,BALL

Frequently Asked Questions

What is NSN 4820-00-085-0146?

NSN 4820-00-085-0146 is a Ball,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-085-0146?

NSN 4820-00-085-0146 has 3 cross-referenced part numbers: 845-2180962 (Naval Ship Systems Command), 2640-696X1 PC 20 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2180962, PC.20 (Naval Ship Systems Command).

What NSN replaces 4820-00-085-0146?

There are 2 known substitutes for 4820-00-085-0146: 5331-01-160-6245, 4820-01-381-0603. Verify interchangeability with system specifications before substitution.

What are the specifications of 845-2180962?

Key specifications for 845-2180962: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; 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.
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