PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0993601S2050Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-529-1965 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-529-1965 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-529-1965. Primary manufacturer part number: 0993601S2050.
Features
  • Valve,safety Relief — FSC 4820
  • Bolt Hole Nominal Diameter: 0.562 INCHES SECOND END IN
  • Renewable Seat Ring Type: THREADED
  • Bonnet Type: EXPOSED SPRING
  • Media for Which Designed: WATER, FRESH SINGLE RESPONSE
  • Nominal Outside Diameter: 8.500 INCHES FIRST END IN
  • Maximum Operating Temp: 400.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Bolt Hole Quantity: 6 SECOND END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Flow Control Device construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-529-1965, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-529-1965
Primary Part Number0993601S2050
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Bolt Hole Nominal Diameter0.562 INCHES SECOND END IN
Renewable Seat Ring TypeTHREADED
Bonnet TypeEXPOSED SPRING
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
Nominal Outside Diameter8.500 INCHES FIRST END IN
Maximum Operating Temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
Bolt Hole Quantity6 SECOND END
Flange Face DesignPLAIN SECOND END
Nominal Outside Diameter5.562 INCHES SECOND END IN
Operating Pressure2400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL FLOW CONTROL DEVICE
Flange Face DesignRAISED STRAIGHT FIRST END
Raised Face Nominal Diameter5.500 INCHES FIRST END IN
Style DesignatorANGLE
Bolt Circle Nominal Diameter4.438 INCHES SECOND END IN
Flange ShapeROUND WITH HOLES FIRST END
Valve Operation MethodAUTOMATIC
Disk Loading MethodSPRING
Bolt Hole Quantity8 FIRST END
Adjustable Pressure Range+1700.0 TO 2400.0 POUNDS PER SQUARE INCH LBS
Nominal Thickness1.750 INCHES FIRST END IN
MaterialSTEEL BODY
Flow Control DeviceDISK
Raised Face Nominal Height0.250 INCHES FIRST END IN
Connection TypeFLANGE FIRST END
Bolt Hole Nominal Diameter0.938 INCHES FIRST END IN
Flange ShapeROUND WITH HOLES SECOND END
Bonnet Attachment MethodBOLTED
Bolt Circle Nominal Diameter6.500 INCHES FIRST END IN
MaterialSTEEL SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-207-4991 INTERCHANGEABLE
Screw,machine
5930-00-248-33669045 INTERCHANGEABLE
Switch,push
Meggitt (new Hampshire), Inc
3510-00-389-75629045 INTERCHANGEABLE
Holder,disc
Hoffman/new Yorker, Inc.
5945-00-943-923126M1004 INTERCHANGEABLE
Relay,electromagnetic
Omntec Manufacturing Inc
4010-01-209-47419045 INTERCHANGEABLE
Link,detachable
Transact Intl Inc
6515-01-559-7489 INTERCHANGEABLE
Needle Intraosseous Sternal Infu
Cross-Reference Index
Part NumberManufacturer
2241 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
0993601S2050 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
2241-2-2050F Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
9045 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5305-00-207-4991INTERCHANGEABLE
SCREW,MACHINE
5930-00-248-3366INTERCHANGEABLE
SWITCH,PUSH
9045
3510-00-389-7562INTERCHANGEABLE
HOLDER,DISC
9045
5945-00-943-9231INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
26M1004
4010-01-209-4741INTERCHANGEABLE
LINK,DETACHABLE
9045
6515-01-559-7489INTERCHANGEABLE
NEEDLE INTRAOSSEOUS STERNAL INFU

Frequently Asked Questions

What is NSN 4820-00-529-1965?

NSN 4820-00-529-1965 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: active.

What are the part numbers for NSN 4820-00-529-1965?

NSN 4820-00-529-1965 has 4 cross-referenced part numbers: 2241 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 0993601S2050 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 2241-2-2050F (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9045 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-00-529-1965?

There are 6 known substitutes for 4820-00-529-1965: 5305-00-207-4991, 5930-00-248-3366, 3510-00-389-7562 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0993601S2050?

Key specifications for 0993601S2050: Bolt Hole Nominal Diameter: 0.562 INCHES SECOND END IN; Renewable Seat Ring Type: THREADED; Bonnet Type: EXPOSED SPRING; Media for Which Designed: WATER, FRESH SINGLE RESPONSE. 30 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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