PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

501-4675792 ITEM 23Rack Support,valve

Naval Ship Systems Command · NSN 4820-01-137-5926 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-137-5926 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-137-5926. Primary manufacturer part number: 501-4675792 ITEM 23.
Features
  • Rack Support,valve — FSC 4820
  • General Characteristics Item Description: NICKEL COPPER
  • 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 Rack Support,valve, cataloged under National Stock Number 4820-01-137-5926, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-137-5926
Primary Part Number501-4675792 ITEM 23
Item NameRack Support,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
General Characteristics Item DescriptionNICKEL COPPER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-103-3326501-4675792 ITEM 34 INTERCHANGEABLE
Band,valve
Naval Ship Systems Command
4820-01-137-4631501-4675792 ITEM 8 INTERCHANGEABLE
Stop Plate,valve
Naval Ship Systems Command
4820-01-137-4632501-4675792 ITEM 16 INTERCHANGEABLE
Support,valve
Naval Ship Systems Command
3040-01-154-81134675792-0012 INTERCHANGEABLE
Connecting Link,rigid
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-154-8125501-4675792 ITEM 1 INTERCHANGEABLE
Stem,fluid Valve
Naval Ship Systems Command
4820-01-154-812687643-9804 ITEM 2 INTERCHANGEABLE
Stem,fluid Valve
Electric Boat Corporation Div General Dynamics Electric Boat
3020-01-154-975187643-9804 ITEM 14 INTERCHANGEABLE
Lock Plate,gear
Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-173-4600501-4675792 ITEM 17 INTERCHANGEABLE
Cover,access
Naval Ship Systems Command
4820-01-175-7727501-4675792 ITEM 15 INTERCHANGEABLE
Stop,valve
Naval Ship Systems Command
4820-01-191-6572501-4675792 ITEM 5 INTERCHANGEABLE
Rack,valve
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
501-4675792 ITEM 23 PRIMARY Naval Ship Systems Command (USA)
87643-9804 ITEM 23 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
501-4675792 Naval Ship Systems Command (USA)
Related Parts
4820-01-103-3326INTERCHANGEABLE
BAND,VALVE
501-4675792 ITEM 34
4820-01-137-4631INTERCHANGEABLE
STOP PLATE,VALVE
501-4675792 ITEM 8
4820-01-137-4632INTERCHANGEABLE
SUPPORT,VALVE
501-4675792 ITEM 16
3040-01-154-8113INTERCHANGEABLE
CONNECTING LINK,RIGID
4675792-0012
4820-01-154-8125INTERCHANGEABLE
STEM,FLUID VALVE
501-4675792 ITEM 1
4820-01-154-8126INTERCHANGEABLE
STEM,FLUID VALVE
87643-9804 ITEM 2
3020-01-154-9751INTERCHANGEABLE
LOCK PLATE,GEAR
87643-9804 ITEM 14
5340-01-173-4600INTERCHANGEABLE
COVER,ACCESS
501-4675792 ITEM 17
4820-01-175-7727INTERCHANGEABLE
STOP,VALVE
501-4675792 ITEM 15
4820-01-191-6572INTERCHANGEABLE
RACK,VALVE
501-4675792 ITEM 5
3020-01-191-6675INTERCHANGEABLE
GEAR,SPUR
4675792-0006
3020-01-192-4639INTERCHANGEABLE
GEAR,SPUR
501-4675792 ITEM 7

Frequently Asked Questions

What is NSN 4820-01-137-5926?

NSN 4820-01-137-5926 is a Rack Support,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-137-5926?

NSN 4820-01-137-5926 has 3 cross-referenced part numbers: 501-4675792 ITEM 23 (Naval Ship Systems Command), 87643-9804 ITEM 23 (Electric Boat Corporation Div General Dynamics Electric Boat), 501-4675792 (Naval Ship Systems Command).

What NSN replaces 4820-01-137-5926?

There are 12 known substitutes for 4820-01-137-5926: 4820-01-103-3326, 4820-01-137-4631, 4820-01-137-4632 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 501-4675792 ITEM 23?

Key specifications for 501-4675792 ITEM 23: General Characteristics Item Description: NICKEL COPPER. 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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