PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4611-1Valve,relief,pressure and Temper

Pneudraulics, Inc. · NSN 4820-01-151-6407 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-151-6407 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-151-6407. Primary manufacturer part number: 4611-1.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • Second End Outside Diameter Tube Accommodated: 0.625 INCHES NOMINAL IN
  • Third End Outside Diameter Tube Accommodated: 0.250 INCHES NOMINAL IN
  • Third End Relationship with Preceding Ends: NOT IDENTICAL WITH FIRST OR SECOND END
  • Second End Thread Direction: RIGHT-HAND
  • Third End Connection Type: THREADED EXTERNAL TUBE
  • Third End Thread Direction: RIGHT-HAND
  • First End Thread Direction: RIGHT-HAND
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 440A Flow Control Device construction
General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-151-6407, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pneudraulics, Inc.. Government technical data includes 29 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-151-6407
Primary Part Number4611-1
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusCANCELLED
Second End Outside Diameter Tube Accommodated0.625 INCHES NOMINAL IN
Third End Outside Diameter Tube Accommodated0.250 INCHES NOMINAL IN
Third End Relationship with Preceding EndsNOT IDENTICAL WITH FIRST OR SECOND END
Second End Thread DirectionRIGHT-HAND
Third End Connection TypeTHREADED EXTERNAL TUBE
Third End Thread DirectionRIGHT-HAND
First End Thread DirectionRIGHT-HAND
Third End Thread Class3A A
Second End Style DesignatorPLAIN
Second End Connection TypeTHREADED EXTERNAL TUBE
First End Nominal Thread Size1.000 INCHES IN
First End Thread Series DesignatorUNIFIED NATIONAL JOINT (UNJ)
Temp AdjustabilityNOT ADJUSTABLE
Flow Control DevicePOPPET
Third End Thread Series DesignatorUNS
Third End Nominal Thread Size0.438 INCHES IN
MaterialSTEEL COMP 440A FLOW CONTROL DEVICE A
Second End Nominal Thread Size0.844 INCHES IN
End Connection Quantity3
Valve Discharge Flow Rate28.0 GALLONS PER MINUTE
MaterialSTEEL COMP 440A SEAT A
Second End Thread Series DesignatorUNS
First End Outside Diameter Tube Accommodated0.750 INCHES NOMINAL IN
First End Connection TypeTHREADED EXTERNAL TUBE
Second End Thread Class3A A
First End Style DesignatorPLAIN
Third End Style DesignatorPLAIN
Second End Relationship with First EndNOT IDENTICAL
First End Thread Class3A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-151-811417A4086ITEM1 INTERCHANGEABLE
Bearing,ball,annular
Westinghouse Electric Corp
5975-00-152-1144 INTERCHANGEABLE
Box Connector,electrical
3110-00-155-9546311SW1 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5360-00-209-9947 INTERCHANGEABLE
Spring,helical,extension
5950-00-228-2578 INTERCHANGEABLE
Transformer,radio Frequency
5325-00-432-8531402601 INTERCHANGEABLE
Grommet,nonmetallic
Sabreliner Corp
3020-00-678-3663372683LAPC4611 INTERCHANGEABLE
Chain,roller
Naval Ship Systems Command
2520-00-737-2450 INTERCHANGEABLE
Packing
6210-01-074-79524611 INTERCHANGEABLE
Aiming Device
O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc.
3010-01-120-870046-1-11 INTERCHANGEABLE
Coupling Half,shaft
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
Cross-Reference Index
Part NumberManufacturer
4611 Pneudraulics, Inc. (USA)
10124656 Nimikkeistokeskus Ncb Finland (FIN)
4611-1 PRIMARY Pneudraulics, Inc. (USA)
Related Parts
3110-00-151-8114INTERCHANGEABLE
BEARING,BALL,ANNULAR
17A4086ITEM1
5975-00-152-1144INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
3110-00-155-9546INTERCHANGEABLE
BEARING,BALL,ANNULAR
311SW1
5360-00-209-9947INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5950-00-228-2578INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5325-00-432-8531INTERCHANGEABLE
GROMMET,NONMETALLIC
402601
3020-00-678-3663INTERCHANGEABLE
CHAIN,ROLLER
372683LAPC4611
2520-00-737-2450INTERCHANGEABLE
PACKING
6210-01-074-7952INTERCHANGEABLE
AIMING DEVICE
4611
3010-01-120-8700INTERCHANGEABLE
COUPLING HALF,SHAFT
46-1-11
5905-01-149-9343INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
9320-01-155-2369INTERCHANGEABLE
TAPE,ADHESIVE,RUBBER

Frequently Asked Questions

What is NSN 4820-01-151-6407?

NSN 4820-01-151-6407 is a Valve,relief,pressure and Temper, manufactured by Pneudraulics, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-151-6407?

NSN 4820-01-151-6407 has 3 cross-referenced part numbers: 4611 (Pneudraulics, Inc.), 10124656 (Nimikkeistokeskus Ncb Finland), 4611-1 (Pneudraulics, Inc.).

What NSN replaces 4820-01-151-6407?

There are 12 known substitutes for 4820-01-151-6407: 3110-00-151-8114, 5975-00-152-1144, 3110-00-155-9546 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4611-1?

Key specifications for 4611-1: Second End Outside Diameter Tube Accommodated: 0.625 INCHES NOMINAL IN; Third End Outside Diameter Tube Accommodated: 0.250 INCHES NOMINAL IN; Third End Relationship with Preceding Ends: NOT IDENTICAL WITH FIRST OR SECOND END; Second End Thread Direction: RIGHT-HAND. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-151-6407 still in active supply?

NSN 4820-01-151-6407 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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