PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2005801S0025Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-131-5918 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-131-5918 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-131-5918. Primary manufacturer part number: 2005801S0025.
Features
  • Valve,safety Relief — FSC 4820
  • Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN
  • Material: STEEL COMP 316 STEM
  • Adjustable Pressure Range: +25.0 TO 29.0 POUNDS PER SQUARE INCH LBS
  • Material: NICKEL ALLOY SEAT
  • Material: COPPER ALLOY BODY
  • Connection Style: REDUCED GASKET SEAL ALL ENDS
  • Flow Control Device: DISK
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 316 Stem construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-131-5918, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN4820-01-131-5918
Primary Part Number2005801S0025
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Nominal Pipe Size Accommodated0.500 INCHES ALL ENDS IN
MaterialSTEEL COMP 316 STEM
Adjustable Pressure Range+25.0 TO 29.0 POUNDS PER SQUARE INCH LBS
MaterialNICKEL ALLOY SEAT
MaterialCOPPER ALLOY BODY
Connection StyleREDUCED GASKET SEAL ALL ENDS
Flow Control DeviceDISK
Material Document and ClassificationQQ-C-390,ALLOY D4/D/ FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281 FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
Material Document and ClassificationQQ-C-390,ALLOY D4/D/ FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281 FED SPEC 2ND MATERIAL RESPONSE SEAT
Valve Operation MethodAUTOMATIC
Material Document and ClassificationQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
Style DesignatorANGLE
Bonnet Attachment MethodBOLTED
Bonnet TypeINSIDE SPRING
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5915-00-000-0148SM-A-775630 INTERCHANGEABLE
Filter,band Pass
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5945-00-018-936920058 INTERCHANGEABLE
Solenoid,electrical
Alliance Laundry Systems Llc
5342-00-091-075120058 INTERCHANGEABLE
Bracket
Raytheon Company Dba Raytheon
3110-00-100-6151MS19059-2414 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
5133-00-228-1321 INTERCHANGEABLE
Drill,twist
5133-00-228-1327 INTERCHANGEABLE
Drill,twist
5910-00-241-174020058 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cd Snow Hill, Llc
5940-00-270-5852452 INTERCHANGEABLE
Splice,conductor
Ideal Industries, Inc.
3530-00-359-798720058 INTERCHANGEABLE
Face Plate
Singer Industrial Sewing Products Co Cutters Exchange Div
2520-00-702-4578 INTERCHANGEABLE
Parts Kit,universal Joint
Cross-Reference Index
Part NumberManufacturer
8002 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20058E51M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20058 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20058 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
8002 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
2005801S0025 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20058E51M Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
5915-00-000-0148INTERCHANGEABLE
FILTER,BAND PASS
SM-A-775630
5945-00-018-9369INTERCHANGEABLE
SOLENOID,ELECTRICAL
20058
5342-00-091-0751INTERCHANGEABLE
BRACKET
20058
3110-00-100-6151INTERCHANGEABLE
BALL,BEARING
MS19059-2414
5133-00-228-1321INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1327INTERCHANGEABLE
DRILL,TWIST
5910-00-241-1740INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
20058
5940-00-270-5852INTERCHANGEABLE
SPLICE,CONDUCTOR
452
3530-00-359-7987INTERCHANGEABLE
FACE PLATE
20058
2520-00-702-4578INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
5310-01-287-2863INTERCHANGEABLE
WASHER,FLAT
20058
4920-01-299-5147INTERCHANGEABLE
TEST PROGRAM SET
20058

Frequently Asked Questions

What is NSN 4820-01-131-5918?

NSN 4820-01-131-5918 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 4820-01-131-5918?

NSN 4820-01-131-5918 has 7 cross-referenced part numbers: 8002 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20058E51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20058 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20058 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8002 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 2 more.

What NSN replaces 4820-01-131-5918?

There are 12 known substitutes for 4820-01-131-5918: 5915-00-000-0148, 5945-00-018-9369, 5342-00-091-0751 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2005801S0025?

Key specifications for 2005801S0025: Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Material: STEEL COMP 316 STEM; Adjustable Pressure Range: +25.0 TO 29.0 POUNDS PER SQUARE INCH LBS; Material: NICKEL ALLOY SEAT. 17 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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