PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

09521-51 TO 70PSIValve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-192-3477 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-192-3477 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-192-3477. Primary manufacturer part number: 09521-51 TO 70PSI.
Features
  • Valve,safety Relief — FSC 4820
  • 10 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-192-3477, 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. This item has 10 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersDanco Valve Company (CAGE 65079); Anderson Greenwood Lp Dba Anderson Greenwood Crosby (CAGE 01343); Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (CAGE 15187)
Technical Specifications
ParameterValue
NSN4820-01-192-3477
Primary Part Number09521-51 TO 70PSI
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6532-00-163-76219511 INTERCHANGEABLE
Surgical Pack,gown and Towel
Cardinal Health 200, Llc
5120-00-180-0777 INTERCHANGEABLE
Extractor,screw
6220-00-536-0942 INTERCHANGEABLE
Light,special Purpo
5325-00-640-99862092 INTERCHANGEABLE
Grommet,nonmetallic
Atlantic India Rubber Co Inc
5930-00-981-3270168312-1 INTERCHANGEABLE
Switch,rotary
Raytheon Company
4820-01-150-495606676001132 INTERCHANGEABLE
Cap,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4730-01-151-44793890.403.130 INTERCHANGEABLE
Tailpiece,union
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-151-8978C-6678 INTERCHANGEABLE
Body,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-275-416287CS165-5PSI9OT15PSI-BRZ INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5998-01-367-8885902-01 ITEM 21 INTERCHANGEABLE
Circuit Card Assembly
Hose-Mccann Telephone Co, Inc
Cross-Reference Index
Part NumberManufacturer
D42S-51T70-8-12 Danco Valve Company (USA)
87-CS-165 51T70 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
09521-51 TO 70PSI PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
9521-51T70PSI Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
D42UU-51T70-1/2X3/4 Danco Valve Company (USA)
D42UU-04 1/2X3/4 Danco Valve Company (USA)
9521 51 T0 70PS Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
D42S-8-12-00 Danco Valve Company (USA)
9521 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
09521-51 TO 70PSI Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
6532-00-163-7621INTERCHANGEABLE
SURGICAL PACK,GOWN AND TOWEL
9511
5120-00-180-0777INTERCHANGEABLE
EXTRACTOR,SCREW
6220-00-536-0942INTERCHANGEABLE
LIGHT,SPECIAL PURPO
5325-00-640-9986INTERCHANGEABLE
GROMMET,NONMETALLIC
2092
5930-00-981-3270INTERCHANGEABLE
SWITCH,ROTARY
168312-1
4820-01-150-4956INTERCHANGEABLE
CAP,VALVE
06676001132
4730-01-151-4479INTERCHANGEABLE
TAILPIECE,UNION
3890.403.130
4820-01-151-8978INTERCHANGEABLE
BODY,VALVE
C-6678
4820-01-275-4162INTERCHANGEABLE
VALVE,SAFETY RELIEF
87CS165-5PSI9OT15PSI-BRZ
5998-01-367-8885INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
902-01 ITEM 21
4820-01-478-5982INTERCHANGEABLE
VALVE,SAFETY RELIEF
9521

Frequently Asked Questions

What is NSN 4820-01-192-3477?

NSN 4820-01-192-3477 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 4820-01-192-3477?

NSN 4820-01-192-3477 has 10 cross-referenced part numbers: D42S-51T70-8-12 (Danco Valve Company), 87-CS-165 51T70 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 09521-51 TO 70PSI (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 9521-51T70PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), D42UU-51T70-1/2X3/4 (Danco Valve Company) and 5 more.

What NSN replaces 4820-01-192-3477?

There are 11 known substitutes for 4820-01-192-3477: 6532-00-163-7621, 5120-00-180-0777, 6220-00-536-0942 and 8 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-192-3477 still in active supply?

NSN 4820-01-192-3477 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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