PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100739-1Valve,safety Relief

Metadure Parts & Sales, Inc. · NSN 4820-01-212-2013 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-212-2013 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-212-2013. Primary manufacturer part number: 100739-1.
Features
  • Valve,safety Relief — FSC 4820
  • Connection Style: PLAIN (PIPE) FIRST END
  • Opening Pressure Setting: 100.0 POUNDS PER SQUARE INCH LBS
  • Flow Control Device: DISK
  • Valve Operation Method: MANUAL
  • Material: COPPER ALLOY STEM
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Style Designator: STRAIGHT THRU
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Stem construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-212-2013, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Metadure Parts & Sales, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN4820-01-212-2013
Primary Part Number100739-1
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMetadure Parts & Sales, Inc.
StatusACTIVE
Connection StylePLAIN (PIPE) FIRST END
Opening Pressure Setting100.0 POUNDS PER SQUARE INCH LBS
Flow Control DeviceDISK
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY STEM
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Style DesignatorSTRAIGHT THRU
Media for Which DesignedOXYGEN, LIQUID SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-010-0739100739 INTERCHANGEABLE
Screw,machine
General Motors Llc Dba General Motors Llc
5999-00-446-9085 INTERCHANGEABLE
Resistive Terminato
6220-01-018-204910-0739-1 INTERCHANGEABLE
Light,aisle
Grimes Aerospace Company
6105-01-314-8602150A134 INTERCHANGEABLE
Motor,direct Current
Motor Technology, Inc.
5310-01-467-7954100739 INTERCHANGEABLE
Washer,flat
Dh Instruments Inc.
5330-01-663-8301100739 INTERCHANGEABLE
Gasket
Comsaco, Llc Dba Comsaco Inc
Cross-Reference Index
Part NumberManufacturer
100739-1 Metadure Parts & Sales, Inc. (USA)
100739 Metadure Parts & Sales, Inc. (USA)
Related Parts
5305-00-010-0739INTERCHANGEABLE
SCREW,MACHINE
100739
5999-00-446-9085INTERCHANGEABLE
RESISTIVE TERMINATO
6220-01-018-2049INTERCHANGEABLE
LIGHT,AISLE
10-0739-1
6105-01-314-8602INTERCHANGEABLE
MOTOR,DIRECT CURRENT
150A134
5310-01-467-7954INTERCHANGEABLE
WASHER,FLAT
100739
5330-01-663-8301INTERCHANGEABLE
GASKET
100739

Frequently Asked Questions

What is NSN 4820-01-212-2013?

NSN 4820-01-212-2013 is a Valve,safety Relief, manufactured by Metadure Parts & Sales, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-212-2013?

NSN 4820-01-212-2013 has 2 cross-referenced part numbers: 100739-1 (Metadure Parts & Sales, Inc.), 100739 (Metadure Parts & Sales, Inc.).

What NSN replaces 4820-01-212-2013?

There are 6 known substitutes for 4820-01-212-2013: 5305-00-010-0739, 5999-00-446-9085, 6220-01-018-2049 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100739-1?

Key specifications for 100739-1: Connection Style: PLAIN (PIPE) FIRST END; Opening Pressure Setting: 100.0 POUNDS PER SQUARE INCH LBS; Flow Control Device: DISK; Valve Operation Method: MANUAL. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com