PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

87643-9803 ITEM 13Shaft,valve

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 3040-01-156-4849 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-156-4849 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-156-4849. Primary manufacturer part number: 87643-9803 ITEM 13.
Features
  • Shaft,valve — FSC 3040
  • General Characteristics Item Description: MATERIAL NICKEL COPPER ALLOY
  • 5 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Shaft,valve, cataloged under National Stock Number 3040-01-156-4849, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-156-4849
Primary Part Number87643-9803 ITEM 13
Item NameShaft,valve
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
General Characteristics Item DescriptionMATERIAL NICKEL COPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-01-094-96972621-827-05ASSY168 INTERCHANGEABLE
Plug,pipe
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-137-6055501-4675791 ITEM 25 INTERCHANGEABLE
Disk,valve
Naval Ship Systems Command
4820-01-154-9749501-4675791 ITEM 14 INTERCHANGEABLE
Stem,fluid Valve
Naval Ship Systems Command
4820-01-154-97504675791 ITEM 27 INTERCHANGEABLE
Retainer,valve
Naval Ship Systems Command
4820-01-155-3666501-4675791 ITEM 2 INTERCHANGEABLE
Disk,valve
Naval Ship Systems Command
4820-01-157-2970501-4675791 ITEM 4 INTERCHANGEABLE
Plate,retaining,valve
Naval Ship Systems Command
4820-01-191-4206501-4675791 ITEM 12 INTERCHANGEABLE
Slider,valve
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
501-4675791 Naval Ship Systems Command (USA)
87643-9803 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
87643-9803 ITEM 13 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
501-4675791 ITEM 13 PRIMARY Naval Ship Systems Command (USA)
4675791-13 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4730-01-094-9697INTERCHANGEABLE
PLUG,PIPE
2621-827-05ASSY168
4820-01-137-6055INTERCHANGEABLE
DISK,VALVE
501-4675791 ITEM 25
4820-01-154-9749INTERCHANGEABLE
STEM,FLUID VALVE
501-4675791 ITEM 14
4820-01-154-9750INTERCHANGEABLE
RETAINER,VALVE
4675791 ITEM 27
4820-01-155-3666INTERCHANGEABLE
DISK,VALVE
501-4675791 ITEM 2
4820-01-157-2970INTERCHANGEABLE
PLATE,RETAINING,VALVE
501-4675791 ITEM 4
4820-01-191-4206INTERCHANGEABLE
SLIDER,VALVE
501-4675791 ITEM 12

Frequently Asked Questions

What is NSN 3040-01-156-4849?

NSN 3040-01-156-4849 is a Shaft,valve, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-156-4849?

NSN 3040-01-156-4849 has 5 cross-referenced part numbers: 501-4675791 (Naval Ship Systems Command), 87643-9803 (Electric Boat Corporation Div General Dynamics Electric Boat), 87643-9803 ITEM 13 (Electric Boat Corporation Div General Dynamics Electric Boat), 501-4675791 ITEM 13 (Naval Ship Systems Command), 4675791-13 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 3040-01-156-4849?

There are 7 known substitutes for 3040-01-156-4849: 4730-01-094-9697, 4820-01-137-6055, 4820-01-154-9749 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 87643-9803 ITEM 13?

Key specifications for 87643-9803 ITEM 13: General Characteristics Item Description: MATERIAL NICKEL COPPER ALLOY. 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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