PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1350-3Valve,safety Relief

Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division · NSN 4820-01-007-0541 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-007-0541 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-007-0541. Primary manufacturer part number: 1350-3.
Features
  • Valve,safety Relief — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Nominal Thread Size: 0.750 INCHES FIRST END IN
  • Mounting Facility: BULKHEAD
  • Material: STEEL SEAT
  • Disk Loading Method: SPRING
  • Thread Direction: RIGHT-HAND FIRST END
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Seat construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-007-0541, 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 Pneutronics Div Gear Pump Division. Government technical data includes 15 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-007-0541
Primary Part Number1350-3
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.750 INCHES FIRST END IN
Mounting FacilityBULKHEAD
MaterialSTEEL SEAT
Disk Loading MethodSPRING
Thread DirectionRIGHT-HAND FIRST END
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
Thread Class2A FIRST END A
Adjustable Pressure Range+150.0 TO 1250.0 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF FIRST END
Surface TreatmentPAINT LOCATION NOT OTHERWISE SPECIFIED
Valve Operation MethodAUTOMATIC
Flow Control DevicePISTON
MaterialSTEEL BODY
Connection TypeTHREADED EXTERNAL BOSS FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-264-1240AN320C3 INTERCHANGEABLE
Nut,plain,slotted,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-358-834441S104 INTERCHANGEABLE
Washer,key
Oshkosh Defense Llc
4730-01-234-1774P-1-17-19 INTERCHANGEABLE
Flange,pipe
Bird-Johnson Propeller Company, Llc
6240-01-344-544320B10C/CF/4M/SS/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
1005-01-459-584613503 INTERCHANGEABLE
Stop Spring Shell
O F Mossberg & Sons Inc
6515-01-577-5129241.951 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
1350-3 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA)
Related Parts
5310-00-264-1240INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
AN320C3
5310-00-358-8344INTERCHANGEABLE
WASHER,KEY
41S104
4730-01-234-1774INTERCHANGEABLE
FLANGE,PIPE
P-1-17-19
6240-01-344-5443INTERCHANGEABLE
LAMP,INCANDESCENT
20B10C/CF/4M/SS/120V
1005-01-459-5846INTERCHANGEABLE
STOP SPRING SHELL
13503
6515-01-577-5129INTERCHANGEABLE
BONE PLATE
241.951

Frequently Asked Questions

What is NSN 4820-01-007-0541?

NSN 4820-01-007-0541 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-007-0541?

NSN 4820-01-007-0541 has 1 cross-referenced part number: 1350-3 (Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division).

What NSN replaces 4820-01-007-0541?

There are 6 known substitutes for 4820-01-007-0541: 5310-00-264-1240, 5310-00-358-8344, 4730-01-234-1774 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1350-3?

Key specifications for 1350-3: Style Designator: STRAIGHT THRU; Nominal Thread Size: 0.750 INCHES FIRST END IN; Mounting Facility: BULKHEAD; Material: STEEL SEAT. 15 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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