PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9456-G-41Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-192-9561 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-192-9561 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-192-9561. Primary manufacturer part number: 9456-G-41.
Features
  • Valve,safety Relief — FSC 4820
  • Maximum Operating Temp: 650.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Flange Shape: ROUND WITH HOLES ALL ENDS
  • Adjustable Pressure Range: +35.0 TO 44.0 POUNDS PER SQUARE INCH LBS
  • Valve Size: 0.500 INCHES IN
  • Raised Face Nominal Height: 0.062 INCHES ALL ENDS IN
  • Bolt Circle Nominal Diameter: 2.375 INCHES ALL ENDS IN
  • Nominal Outside Diameter: 3.500 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-192-9561, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 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
NSN4820-01-192-9561
Primary Part Number9456-G-41
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusCANCELLED
Maximum Operating Temp650.0 FAHRENHEIT SINGLE RESPONSE DEGF
Flange ShapeROUND WITH HOLES ALL ENDS
Adjustable Pressure Range+35.0 TO 44.0 POUNDS PER SQUARE INCH LBS
Valve Size0.500 INCHES IN
Raised Face Nominal Height0.062 INCHES ALL ENDS IN
Bolt Circle Nominal Diameter2.375 INCHES ALL ENDS IN
Nominal Outside Diameter3.500 INCHES ALL ENDS IN
Connection TypeFLANGE ALL ENDS
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Bonnet Attachment MethodTHREADED
MaterialSTEEL BODY
Second Connection Face to Centerline Distance3.250 INCHES IN
Style DesignatorANGLE FLANGED ENDS
Raised Face Nominal Diameter1.375 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MaterialSTEEL CORROSION RESISTING STEM
Bonnet TypeINSIDE SPRING
First Connection Face to Centerline Distance3.250 INCHES IN
Flow Control DeviceDISK
Bolt Hole Nominal Diameter0.625 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING SEAT
Media for Which DesignedSTEAM FIRST RESPONSE
Nominal Thickness0.438 INCHES ALL ENDS IN
Bolt Hole Quantity4 ALL ENDS
Valve Operation MethodAUTOMATIC
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Flange Face DesignRAISED STRAIGHT ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-6155MS19059-2418 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
5310-00-187-2343 INTERCHANGEABLE
Washer,flat
5133-00-228-1385 INTERCHANGEABLE
Drill,twist
5133-00-232-8161 INTERCHANGEABLE
Drill,twist
2910-00-356-14209456 INTERCHANGEABLE
Guide,check Valve F
La Gary Co
1650-00-364-652220138 INTERCHANGEABLE
Seat Assembly,valve
Pneudraulics, Inc.
5133-00-412-1748 INTERCHANGEABLE
Drill,twist
4730-00-540-40329456H B INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
5930-00-557-6238SMB342717 INTERCHANGEABLE
Switch,push
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6125-00-613-841220138 INTERCHANGEABLE
Motor-Generator
Hyundai Ideal Electric Co.
Cross-Reference Index
Part NumberManufacturer
9456-G-41 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
CNCNN04XCC-A031 Danco Valve Company (USA)
CNCNN04XCC-A031 Dante Valve Company (USA)
9456 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20138 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
CNCNN04ICC Danco Valve Company (USA)
20138G51SS Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
9456-G-41 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
CNCNN04SCC Danco Valve Company (USA)
Related Parts
3110-00-100-6155INTERCHANGEABLE
BALL,BEARING
MS19059-2418
5310-00-187-2343INTERCHANGEABLE
WASHER,FLAT
5133-00-228-1385INTERCHANGEABLE
DRILL,TWIST
5133-00-232-8161INTERCHANGEABLE
DRILL,TWIST
2910-00-356-1420INTERCHANGEABLE
GUIDE,CHECK VALVE F
9456
1650-00-364-6522INTERCHANGEABLE
SEAT ASSEMBLY,VALVE
20138
5133-00-412-1748INTERCHANGEABLE
DRILL,TWIST
4730-00-540-4032INTERCHANGEABLE
CLAMP,HOSE
9456H B
5930-00-557-6238INTERCHANGEABLE
SWITCH,PUSH
SMB342717
6125-00-613-8412INTERCHANGEABLE
MOTOR-GENERATOR
20138
1005-00-798-0994INTERCHANGEABLE
CONTROL BOX PANEL A
20-138
5840-01-047-2701INTERCHANGEABLE
HEATER CAP ASSEMBLY
20138

Frequently Asked Questions

What is NSN 4820-01-192-9561?

NSN 4820-01-192-9561 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-192-9561?

NSN 4820-01-192-9561 has 9 cross-referenced part numbers: 9456-G-41 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), CNCNN04XCC-A031 (Danco Valve Company), CNCNN04XCC-A031 (Dante Valve Company), 9456 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20138 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 4 more.

What NSN replaces 4820-01-192-9561?

There are 12 known substitutes for 4820-01-192-9561: 3110-00-100-6155, 5310-00-187-2343, 5133-00-228-1385 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9456-G-41?

Key specifications for 9456-G-41: Maximum Operating Temp: 650.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Shape: ROUND WITH HOLES ALL ENDS; Adjustable Pressure Range: +35.0 TO 44.0 POUNDS PER SQUARE INCH LBS; Valve Size: 0.500 INCHES IN. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-192-9561 still in active supply?

NSN 4820-01-192-9561 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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