PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

47511BValve,safety Relief

Griswold Industries Dba Cla-Val Co · NSN 4820-01-110-4383 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-110-4383 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-110-4383. Primary manufacturer part number: 47511B.
Features
  • Valve,safety Relief — FSC 4820
  • Opening Pressure Setting: 140.0 POUNDS PER SQUARE INCH LBS
  • Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
  • Connection Type: UNTHREADED EXTERNAL TUBE SECOND END
  • Adjustable Pressure Range: +120.0 TO 160.0 POUNDS PER SQUARE INCH LBS
  • Valve Operation Method: AUTOMATIC
  • Flow Control Device: DISK
  • Bonnet Attachment Method: BOLTED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy and Steel Corrosion Resisting Overall construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-110-4383, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 13 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-110-4383
Primary Part Number47511B
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Opening Pressure Setting140.0 POUNDS PER SQUARE INCH LBS
Style DesignatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
Connection TypeUNTHREADED EXTERNAL TUBE SECOND END
Adjustable Pressure Range+120.0 TO 160.0 POUNDS PER SQUARE INCH LBS
Valve Operation MethodAUTOMATIC
Flow Control DeviceDISK
Bonnet Attachment MethodBOLTED
Disk Loading MethodSPRING
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
MaterialALUMINUM ALLOY AND STEEL CORROSION RESISTING OVERALL
Connection StyleGROOVED (TUBE) SECOND END
Bonnet TypeINSIDE SPRING
Connection StylePLAIN (TUBE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-168-8161 INTERCHANGEABLE
Terminal,lug
5935-00-589-772047750 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
5310-00-703-263530185 INTERCHANGEABLE
Nut,self-Locking,hexagon
Dana Corp Spicer Transmission Div
4730-01-202-962155132 INTERCHANGEABLE
Strainer Element,sediment
Spirax Sarco Inc Dba Spirax Sarco
5136-01-422-394647750 INTERCHANGEABLE
Die,thread Cutting
Ridge Tool Company
Cross-Reference Index
Part NumberManufacturer
015HC-G019 Beta Fueling Systems, Llc (USA)
47511B PRIMARY Griswold Industries Dba Cla-Val Co (USA)
47750 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
5940-00-168-8161INTERCHANGEABLE
TERMINAL,LUG
5935-00-589-7720INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
47750
5310-00-703-2635INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
30185
4730-01-202-9621INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
55132
5136-01-422-3946INTERCHANGEABLE
DIE,THREAD CUTTING
47750

Frequently Asked Questions

What is NSN 4820-01-110-4383?

NSN 4820-01-110-4383 is a Valve,safety Relief, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-110-4383?

NSN 4820-01-110-4383 has 3 cross-referenced part numbers: 015HC-G019 (Beta Fueling Systems, Llc), 47511B (Griswold Industries Dba Cla-Val Co), 47750 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-110-4383?

There are 5 known substitutes for 4820-01-110-4383: 5940-00-168-8161, 5935-00-589-7720, 5310-00-703-2635 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 47511B?

Key specifications for 47511B: Opening Pressure Setting: 140.0 POUNDS PER SQUARE INCH LBS; Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.; Connection Type: UNTHREADED EXTERNAL TUBE SECOND END; Special Features: VACUUM BREAKER IN SIDE PORT. 14 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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