PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6561-G501Valve,solenoid

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 4810-01-424-4721 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-424-4721 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-424-4721. Primary manufacturer part number: 6561-G501.
Features
  • Valve,solenoid — FSC 4810
  • Valve Operation Method: SOLENOID
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Connection Style: SOCKET WITH BRAZING RING ALL ENDS
  • Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Flow Control Device Normal Operation Position: CLOSED
  • Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Seat construction
General Description

The Valve,solenoid, cataloged under National Stock Number 4810-01-424-4721, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4810-01-424-4721
Primary Part Number6561-G501
Item NameValve,solenoid
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Valve Operation MethodSOLENOID
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Connection StyleSOCKET WITH BRAZING RING ALL ENDS
Nominal Pipe Size Accommodated1.000 INCHES ALL ENDS IN
Mounting PositionHORIZONTAL OR VERTICAL
Flow Control Device Normal Operation PositionCLOSED
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
PhaseSINGLE
Style DesignatorSTRAIGHT THRU
Voltage in Volts and Current Type120.0 AC
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-025-7739 INTERCHANGEABLE
Washer,flat
5315-00-145-5119 INTERCHANGEABLE
Pin,king
4820-00-375-75261H4820-375-7526 INTERCHANGEABLE
Disk,valve
Naval Inventory Control Point Mechanicsburg
6675-00-556-0202165 INTERCHANGEABLE
Table,tracing,drafting
Hamilton Mfg Co
2920-00-593-52356561 INTERCHANGEABLE
Cover,terminal Shie
Champion Aerospace Llc
5940-00-926-819212751A INTERCHANGEABLE
Terminal,feedthru
Staffall, Inc. Dba Staffall Inc
4720-01-083-2451AE145-1 INTERCHANGEABLE
Tubing,nonmetallic
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5945-01-111-04206550-B INTERCHANGEABLE
Relay,electromagnetic
Hoyt Corporation
5962-01-119-4707 INTERCHANGEABLE
Microcircuit,memory
2940-01-274-191646561 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
Cross-Reference Index
Part NumberManufacturer
6561-G501 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6561 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6561-G501 REV A Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
5310-00-025-7739INTERCHANGEABLE
WASHER,FLAT
5315-00-145-5119INTERCHANGEABLE
PIN,KING
4820-00-375-7526INTERCHANGEABLE
DISK,VALVE
1H4820-375-7526
6675-00-556-0202INTERCHANGEABLE
TABLE,TRACING,DRAFTING
165
2920-00-593-5235INTERCHANGEABLE
COVER,TERMINAL SHIE
6561
5940-00-926-8192INTERCHANGEABLE
TERMINAL,FEEDTHRU
12751A
4720-01-083-2451INTERCHANGEABLE
TUBING,NONMETALLIC
AE145-1
5945-01-111-0420INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6550-B
5962-01-119-4707INTERCHANGEABLE
MICROCIRCUIT,MEMORY
2940-01-274-1916INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
46561
4810-01-424-4986INTERCHANGEABLE
PARTS KIT,SOLENOID VALVE
6561-02
3110-01-563-6799INTERCHANGEABLE
BEARING,BALL,ANNULAR
135556

Frequently Asked Questions

What is NSN 4810-01-424-4721?

NSN 4810-01-424-4721 is a Valve,solenoid, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-424-4721?

NSN 4810-01-424-4721 has 3 cross-referenced part numbers: 6561-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6561 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6561-G501 REV A (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 4810-01-424-4721?

There are 12 known substitutes for 4810-01-424-4721: 5310-00-025-7739, 5315-00-145-5119, 4820-00-375-7526 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6561-G501?

Key specifications for 6561-G501: Valve Operation Method: SOLENOID; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Connection Style: SOCKET WITH BRAZING RING ALL ENDS; Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN. 13 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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