PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5602Valve,safety Relief

Henry Technologies, Inc. · NSN 4820-01-502-8493 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-502-8493 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-502-8493. Primary manufacturer part number: 5602.
Features
  • Valve,safety Relief — FSC 4820
  • Operating Pressure: 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: IRON CAST BODY
  • Thread Series Designator: NPT ALL ENDS
  • Media for Which Designed: REFRIGERANT, FLUORINATED SINGLE RESPONSE
  • Connection Style: SWIVEL NUT, INVERTED FLARE (PIPE) FIRST END
  • Flow Control Device: DISK
  • Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Cast Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-502-8493, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Henry Technologies, Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-502-8493
Primary Part Number5602
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHenry Technologies, Inc.
StatusACTIVE
Operating Pressure350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialIRON CAST BODY
Thread Series DesignatorNPT ALL ENDS
Media for Which DesignedREFRIGERANT, FLUORINATED SINGLE RESPONSE
Connection StyleSWIVEL NUT, INVERTED FLARE (PIPE) FIRST END
Flow Control DeviceDISK
Maximum Operating Temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Valve Operation MethodAUTOMATIC
Connection TypeTHREADED INTERNAL BOSS ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6105-00-156-5850 INTERCHANGEABLE
Motor,direct Current
3110-00-198-23105602 INTERCHANGEABLE
Bearing,ball,annular
General Motors Corp
2930-00-337-0027 INTERCHANGEABLE
Cap,filler Opening
5330-00-339-39055602 INTERCHANGEABLE
Packing,preformed
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5910-00-410-9354 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5975-00-933-8982 INTERCHANGEABLE
Junction Box
6640-00-974-12355602 INTERCHANGEABLE
Column Assembly,unp
Agilent Technologies Inc Dba Agilent Technologies Inc Div Customer Service and Sales
3455-00-997-2419 INTERCHANGEABLE
Cutter,milling,t-Slot
4240-01-078-615833529-009 INTERCHANGEABLE
Connector Assembly
Avox Systems Inc Dba Avox Systems Inc
5985-01-326-14405602 INTERCHANGEABLE
Attenuator,fixed
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
5602 Henry Technologies, Inc. (USA)
Related Parts
6105-00-156-5850INTERCHANGEABLE
MOTOR,DIRECT CURRENT
3110-00-198-2310INTERCHANGEABLE
BEARING,BALL,ANNULAR
5602
2930-00-337-0027INTERCHANGEABLE
CAP,FILLER OPENING
5330-00-339-3905INTERCHANGEABLE
PACKING,PREFORMED
5602
5910-00-410-9354INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5975-00-933-8982INTERCHANGEABLE
JUNCTION BOX
6640-00-974-1235INTERCHANGEABLE
COLUMN ASSEMBLY,UNP
5602
3455-00-997-2419INTERCHANGEABLE
CUTTER,MILLING,T-SLOT
4240-01-078-6158INTERCHANGEABLE
CONNECTOR ASSEMBLY
33529-009
5985-01-326-1440INTERCHANGEABLE
ATTENUATOR,FIXED
5602
5133-01-336-0543INTERCHANGEABLE
CUTTER,HOLE FORMING,DRIVE SHANK
560-2
5985-01-412-4730INTERCHANGEABLE
ATTENUATOR,FIXED
5602

Frequently Asked Questions

What is NSN 4820-01-502-8493?

NSN 4820-01-502-8493 is a Valve,safety Relief, manufactured by Henry Technologies, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-502-8493?

NSN 4820-01-502-8493 has 1 cross-referenced part number: 5602 (Henry Technologies, Inc.).

What NSN replaces 4820-01-502-8493?

There are 12 known substitutes for 4820-01-502-8493: 6105-00-156-5850, 3110-00-198-2310, 2930-00-337-0027 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5602?

Key specifications for 5602: Operating Pressure: 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: IRON CAST BODY; Thread Series Designator: NPT ALL ENDS; Media for Which Designed: REFRIGERANT, FLUORINATED SINGLE RESPONSE. 9 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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