PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100-4641865 ITEM 9Plate,test Fitting,valve

Naval Ship Systems Command · NSN 4820-01-131-2488 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-131-2488 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-131-2488. Primary manufacturer part number: 100-4641865 ITEM 9.
Features
  • Plate,test Fitting,valve — FSC 4820
  • General Characteristics Item Description: NICKEL COPPER ALLOY; 2.500 IN. THK IN
  • 4 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plate,test Fitting,valve, cataloged under National Stock Number 4820-01-131-2488, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN4820-01-131-2488
Primary Part Number100-4641865 ITEM 9
Item NamePlate,test Fitting,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
General Characteristics Item DescriptionNICKEL COPPER ALLOY; 2.500 IN. THK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-724-7266AES01C625E00AW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
4820-01-115-8340100-4641865 ITEM 11 INTERCHANGEABLE
Plate,test Fitting
Naval Ship Systems Command
4820-01-116-599987415-0163 ITEM 13 INTERCHANGEABLE
Plate,test Fitting
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-117-7576100-4641865 ITEM 7 INTERCHANGEABLE
Plate,test Filtering,valve
Naval Ship Systems Command
4820-01-117-759387415-0163 ITEM 14 INTERCHANGEABLE
Plate,test Fitting
Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-130-128687415-0164PC10 INTERCHANGEABLE
Flange,pipe
Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-161-2055100-4641866-FTG NO.17 E 4-C INTERCHANGEABLE
Flange,pipe,blind
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-169-36874641865-0025 INTERCHANGEABLE
Test Fitting,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-192-3561100-4641865 LINE 22 4641866TYA INTERCHANGEABLE
Flange,pipe,blind
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
100-4641865 Naval Ship Systems Command (USA)
100-4641865 ITEM 9 PRIMARY Naval Ship Systems Command (USA)
87415-0163 ITEM 9 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
87415-0163 Unimasco Inc (USA)
Related Parts
5305-00-724-7266INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C625E00AW9A91
4820-01-115-8340INTERCHANGEABLE
PLATE,TEST FITTING
100-4641865 ITEM 11
4820-01-116-5999INTERCHANGEABLE
PLATE,TEST FITTING
87415-0163 ITEM 13
4820-01-117-7576INTERCHANGEABLE
PLATE,TEST FILTERING,VALVE
100-4641865 ITEM 7
4820-01-117-7593INTERCHANGEABLE
PLATE,TEST FITTING
87415-0163 ITEM 14
4730-01-130-1286INTERCHANGEABLE
FLANGE,PIPE
87415-0164PC10
4730-01-161-2055INTERCHANGEABLE
FLANGE,PIPE,BLIND
100-4641866-FTG NO.17 E 4-C
4820-01-169-3687INTERCHANGEABLE
TEST FITTING,VALVE
4641865-0025
4730-01-192-3561INTERCHANGEABLE
FLANGE,PIPE,BLIND
100-4641865 LINE 22 4641866TYA

Frequently Asked Questions

What is NSN 4820-01-131-2488?

NSN 4820-01-131-2488 is a Plate,test Fitting,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-131-2488?

NSN 4820-01-131-2488 has 4 cross-referenced part numbers: 100-4641865 (Naval Ship Systems Command), 100-4641865 ITEM 9 (Naval Ship Systems Command), 87415-0163 ITEM 9 (Electric Boat Corporation Div General Dynamics Electric Boat), 87415-0163 (Unimasco Inc).

What NSN replaces 4820-01-131-2488?

There are 9 known substitutes for 4820-01-131-2488: 5305-00-724-7266, 4820-01-115-8340, 4820-01-116-5999 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100-4641865 ITEM 9?

Key specifications for 100-4641865 ITEM 9: General Characteristics Item Description: NICKEL COPPER ALLOY; 2.500 IN. THK IN. 1 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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