PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E8528H41MValve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-130-5379 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-130-5379 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-130-5379. Primary manufacturer part number: E8528H41M.
Features
  • Valve,safety Relief — FSC 4820
  • Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
  • Style Designator: ANGLE
  • Connection Style: SOCKET WITH BRAZING RING (TUBE) ALL ENDS
  • Material: COPPER ALLOY BODY
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Packing construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-130-5379, 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 21 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-130-5379
Primary Part NumberE8528H41M
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Material Document and ClassificationQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
Style DesignatorANGLE
Connection StyleSOCKET WITH BRAZING RING (TUBE) ALL ENDS
MaterialCOPPER ALLOY BODY
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Adjustable Pressure Range+45.0 TO 55.0 POUNDS PER SQUARE INCH LBS
Media for Which DesignedSTEAM SECOND RESPONSE
MaterialNICKEL ALLOY SEAT
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Material Document and ClassificationQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
Media for Which DesignedAIR FIRST RESPONSE
Flow Control DeviceDISK
Nominal Outside Diameter Tube Accommodated1.000 INCHES ALL ENDS IN
Media for Which DesignedWATER, SALT THIRD RESPONSE
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Valve Operation MethodAUTOMATIC
Maximum Operating Temp425.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialCOPPER ALLOY STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2930-00-004-84204919814 INTERCHANGEABLE
Pump,water,engine C
Cummins Inc.
1075-00-383-82733134729 INTERCHANGEABLE
Plate,retainer
Naval Ship Systems Command
5950-00-645-75598528 INTERCHANGEABLE
Core,electromagnetic Component
Hubbell Industrial Controls, Inc
5935-00-775-52298528 INTERCHANGEABLE
Connector,receptacle,electrical
Bae Systems Information & Electronic Systems Integration Inc.
7510-00-870-4619 INTERCHANGEABLE
Holder,pen
5962-01-129-1898PC73564-1 INTERCHANGEABLE
Microcircuit,linear
Rockwell Collins, Inc. Dba Rc Displays Systems
4820-01-202-569907208001173 INTERCHANGEABLE
Dog,valve,relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
E8528H41M PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
8528 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
E8528H41M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
2930-00-004-8420INTERCHANGEABLE
PUMP,WATER,ENGINE C
4919814
1075-00-383-8273INTERCHANGEABLE
PLATE,RETAINER
3134729
5950-00-645-7559INTERCHANGEABLE
CORE,ELECTROMAGNETIC COMPONENT
8528
5935-00-775-5229INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
8528
7510-00-870-4619INTERCHANGEABLE
HOLDER,PEN
5962-01-129-1898INTERCHANGEABLE
MICROCIRCUIT,LINEAR
PC73564-1
4820-01-202-5699INTERCHANGEABLE
DOG,VALVE,RELIEF
07208001173

Frequently Asked Questions

What is NSN 4820-01-130-5379?

NSN 4820-01-130-5379 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 4820-01-130-5379?

NSN 4820-01-130-5379 has 3 cross-referenced part numbers: E8528H41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8528 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), E8528H41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-130-5379?

There are 7 known substitutes for 4820-01-130-5379: 2930-00-004-8420, 1075-00-383-8273, 5950-00-645-7559 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E8528H41M?

Key specifications for E8528H41M: Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING; Style Designator: ANGLE. 21 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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