PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BGSGA01SDEValve,safety Relief

Danco Valve Company · NSN 4820-01-067-9709 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-067-9709 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-067-9709. Primary manufacturer part number: BGSGA01SDE.
Features
  • Valve,safety Relief — FSC 4820
  • Bolt Hole Quantity: 4 SECOND END
  • Connection Style: PLAIN (PIPE) FIRST END
  • Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Flow Control Device: DISK
  • Disk Loading Method: SPRING
  • Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN
  • Bolt Hole Nominal Diameter: 0.562 INCHES SECOND END IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-067-9709, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Danco Valve Company. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-067-9709
Primary Part NumberBGSGA01SDE
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDanco Valve Company
StatusACTIVE
Bolt Hole Quantity4 SECOND END
Connection StylePLAIN (PIPE) FIRST END
Maximum Operating Temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Flow Control DeviceDISK
Disk Loading MethodSPRING
Nominal Pipe Size Accommodated1.000 INCHES FIRST END IN
Bolt Hole Nominal Diameter0.562 INCHES SECOND END IN
Nominal Outside Diameter3.812 INCHES SECOND END IN
Flange Face DesignPLAIN SECOND END
Nominal Thickness0.438 INCHES SECOND END IN
Connection TypeUNTHREADED EXTERNAL PIPE FIRST END
Opening Pressure Setting7.50 POUNDS PER SQUARE INCH LBS
Bolt Circle Nominal Diameter2.688 INCHES SECOND END IN
Style DesignatorANGLE
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialCOPPER ALLOY OVERALL
Valve Operation MethodAUTOMATIC
Material Document and ClassificationQQ-C-390,ALOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Connection TypeFLANGE SECOND END
Flange ShapeROUND WITH HOLES SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-01-077-720806181-005 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-151-621102104 INTERCHANGEABLE
Adjusting Bolt
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5360-01-151-621221002 INTERCHANGEABLE
Spring,washer
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-153-1513H-6181 PIECE 12 INTERCHANGEABLE
Ring,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
BGSGA01SDE Danco Valve Company (USA)
940-B-7650 Aqua-Chem, Inc. (USA)
HH210 393SPR Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
H-6181 3-4IN Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
H-6181 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
940-07650-000 Aqua-Chem, Inc. (USA)
DX52FU-01-3/4 Danco Valve Company (USA)
940-7650 Aqua-Chem, Inc. (USA)
BGSGA01SDE Dante Valve Company (USA)
940-08784-000 Aqua-Chem, Inc. (USA)
Related Parts
4820-01-077-7208INTERCHANGEABLE
VALVE,SAFETY RELIEF
06181-005
4820-01-151-6211INTERCHANGEABLE
ADJUSTING BOLT
02104
5360-01-151-6212INTERCHANGEABLE
SPRING,WASHER
21002
4820-01-153-1513INTERCHANGEABLE
RING,VALVE
H-6181 PIECE 12

Frequently Asked Questions

What is NSN 4820-01-067-9709?

NSN 4820-01-067-9709 is a Valve,safety Relief, manufactured by Danco Valve Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-067-9709?

NSN 4820-01-067-9709 has 10 cross-referenced part numbers: BGSGA01SDE (Danco Valve Company), 940-B-7650 (Aqua-Chem, Inc.), HH210 393SPR (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), H-6181 3-4IN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), H-6181 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 5 more.

What NSN replaces 4820-01-067-9709?

There are 4 known substitutes for 4820-01-067-9709: 4820-01-077-7208, 4820-01-151-6211, 5360-01-151-6212 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BGSGA01SDE?

Key specifications for BGSGA01SDE: Bolt Hole Quantity: 4 SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flow Control Device: DISK. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com