PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

011001Valve,safety Relief

Dover Corp Groen Div · NSN 4820-01-365-6959 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-365-6959 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-365-6959. Primary manufacturer part number: 011001.
Features
  • Valve,safety Relief — FSC 4820
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Thread Series Designator: NPT ALL ENDS
  • Valve Operation Method: AUTOMATIC
  • Style Designator: ANGLE
  • Material: STEEL CORROSION RESISTING BODY
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-365-6959, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dover Corp Groen Div. Government technical data includes 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-365-6959
Primary Part Number011001
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDover Corp Groen Div
StatusACTIVE
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Valve Operation MethodAUTOMATIC
Style DesignatorANGLE
MaterialSTEEL CORROSION RESISTING BODY
Connection TypeTHREADED INTERNAL PIPE SECOND END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection StylePLAIN (PIPE) ALL ENDS
Flow Control DeviceDISK
Media for Which DesignedSTEAM SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6210-00-107-51666063-001-634RED INTERCHANGEABLE
Light,indicator
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
4730-00-122-0477SAE J246 4 120115B INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
Sae International Dba Sae International
5905-00-138-3376 INTERCHANGEABLE
Resistor,fixed,film
5985-00-802-3748011-0045-00 INTERCHANGEABLE
Coupler,directional
Tektronix, Inc.
2010-01-356-6891011001 INTERCHANGEABLE
Propeller,marine
Michigan Wheel Operations, Llc
Cross-Reference Index
Part NumberManufacturer
011001 PRIMARY Dover Corp Groen Div (USA)
Related Parts
6210-00-107-5166INTERCHANGEABLE
LIGHT,INDICATOR
6063-001-634RED
4730-00-122-0477INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
SAE J246 4 120115B
5905-00-138-3376INTERCHANGEABLE
RESISTOR,FIXED,FILM
5985-00-802-3748INTERCHANGEABLE
COUPLER,DIRECTIONAL
011-0045-00
2010-01-356-6891INTERCHANGEABLE
PROPELLER,MARINE
011001

Frequently Asked Questions

What is NSN 4820-01-365-6959?

NSN 4820-01-365-6959 is a Valve,safety Relief, manufactured by Dover Corp Groen Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-365-6959?

NSN 4820-01-365-6959 has 1 cross-referenced part number: 011001 (Dover Corp Groen Div).

What NSN replaces 4820-01-365-6959?

There are 5 known substitutes for 4820-01-365-6959: 6210-00-107-5166, 4730-00-122-0477, 5905-00-138-3376 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 011001?

Key specifications for 011001: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Thread Series Designator: NPT ALL ENDS; Valve Operation Method: AUTOMATIC; Style Designator: ANGLE. 11 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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