PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101097Valve,safety Relief

Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division · NSN 4820-01-306-9260 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-306-9260 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-306-9260. Primary manufacturer part number: 101097.
Features
  • Valve,safety Relief — FSC 4820
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Material: STEEL CORROSION RESISTING STEM
  • Nominal Thread Size: 1.250 INCHES FIRST END IN
  • Style Designator: ANGLE
  • Opening Pressure Setting: 225.0 POUNDS PER SQUARE INCH LBS
  • Media for Which Designed: AIR SINGLE RESPONSE
  • Thread Series Designator: NPT ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Stem construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-306-9260, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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
NSN4820-01-306-9260
Primary Part Number101097
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
StatusACTIVE
Thread DirectionRIGHT-HAND ALL ENDS
MaterialSTEEL CORROSION RESISTING STEM
Nominal Thread Size1.250 INCHES FIRST END IN
Style DesignatorANGLE
Opening Pressure Setting225.0 POUNDS PER SQUARE INCH LBS
Media for Which DesignedAIR SINGLE RESPONSE
Thread Series DesignatorNPT ALL ENDS
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Valve Operation MethodAUTOMATIC
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
Nominal Thread Size1.000 INCHES SECOND END IN
Flow Control DevicePOPPET
Valve Discharge Flow Rate1872.0 CUBIC FEET PER MINUTE
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MaterialIRON CAST BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3439-00-064-0601 INTERCHANGEABLE
Holder,electrode,welding
3110-00-088-9746 INTERCHANGEABLE
Ball,bearing
5955-00-168-7402SM-A-618690-915 INTERCHANGEABLE
Crystal Unit,quartz
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
7520-00-205-2737H3 INTERCHANGEABLE
Airbrush,artist's
Paasche Airbrush Co
3895-00-234-2545 INTERCHANGEABLE
Rooter,road
5305-00-389-9298H3 INTERCHANGEABLE
Screw
Fmc Corp
3030-00-528-4626 INTERCHANGEABLE
Belt,v
3120-00-554-2002H3S INTERCHANGEABLE
Bearing,plain,rod End
Sargent Aerospace & Defense, Llc Dba Kahr Bearings
5910-00-593-497620035 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Caywood Electronics Inc Dba James Millen Electronics
2510-00-618-51236185123 INTERCHANGEABLE
Plate
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
H3 225 SET PSI Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
101097 PRIMARY Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
022-07893D017 Johnson Controls Navy Systems, Llc (USA)
H3 Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
Related Parts
3439-00-064-0601INTERCHANGEABLE
HOLDER,ELECTRODE,WELDING
3110-00-088-9746INTERCHANGEABLE
BALL,BEARING
5955-00-168-7402INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
SM-A-618690-915
7520-00-205-2737INTERCHANGEABLE
AIRBRUSH,ARTIST'S
H3
3895-00-234-2545INTERCHANGEABLE
ROOTER,ROAD
5305-00-389-9298INTERCHANGEABLE
SCREW
H3
3030-00-528-4626INTERCHANGEABLE
BELT,V
3120-00-554-2002INTERCHANGEABLE
BEARING,PLAIN,ROD END
H3S
5910-00-593-4976INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
20035
2510-00-618-5123INTERCHANGEABLE
PLATE
6185123
3120-00-661-7485INTERCHANGEABLE
BEARING,PLAIN,ROD END
H3FN
1730-00-761-8032INTERCHANGEABLE
BRAKE SHOE,GEARSHAF

Frequently Asked Questions

What is NSN 4820-01-306-9260?

NSN 4820-01-306-9260 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-306-9260?

NSN 4820-01-306-9260 has 4 cross-referenced part numbers: H3 225 SET PSI (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division), 101097 (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division), 022-07893D017 (Johnson Controls Navy Systems, Llc), H3 (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division).

What NSN replaces 4820-01-306-9260?

There are 12 known substitutes for 4820-01-306-9260: 3439-00-064-0601, 3110-00-088-9746, 5955-00-168-7402 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101097?

Key specifications for 101097: Thread Direction: RIGHT-HAND ALL ENDS; Material: STEEL CORROSION RESISTING STEM; Nominal Thread Size: 1.250 INCHES FIRST END IN; Style Designator: ANGLE. 17 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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