PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-2035Valve,safety Relief

Frank Electric Corporation Dba Frank Electric Corporation · NSN 4820-00-932-0958 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-932-0958 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-932-0958. Primary manufacturer part number: 1-2035.
Features
  • Valve,safety Relief — FSC 4820
  • Flow Control Device: POPPET
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Style Designator: ANGLE
  • Media for Which Designed: HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nominal Thread Size: 1.000 INCHES SECOND END IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-932-0958, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Frank Electric Corporation Dba Frank Electric Corporation. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-932-0958
Primary Part Number1-2035
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFrank Electric Corporation Dba Frank Electric Corporation
StatusACTIVE
Flow Control DevicePOPPET
Connection TypeTHREADED INTERNAL PIPE FIRST END
Style DesignatorANGLE
Media for Which DesignedHYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
Thread DirectionRIGHT-HAND ALL ENDS
Connection StylePLAIN (PIPE) SECOND END
Nominal Thread Size1.000 INCHES SECOND END IN
Connection StylePLAIN,OPTIONAL END(PIPE) FIRST END
Valve Operation MethodAUTOMATIC
Connection TypeTHREADED EXTERNAL PIPE SECOND END
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorNPT ALL ENDS
Nominal Thread Size0.500 INCHES FIRST END IN
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Disk Loading MethodSPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5120-00-177-6874 INTERCHANGEABLE
Key,socket Head Screw
3030-00-529-0353227241 INTERCHANGEABLE
Belt,v
Manitowoc Engineering Co Division of the Manitowoc Co Inc
6625-00-976-9503 INTERCHANGEABLE
Switch,electronic
5998-01-038-0158 INTERCHANGEABLE
Circuit Card Assembly
5930-01-043-487512035 INTERCHANGEABLE
Switch,sensitive
Power Control Devices, Inc.
5985-01-063-5903 INTERCHANGEABLE
Coupler,transmission Line
5305-01-217-5899 INTERCHANGEABLE
Screw,machine
1377-01-260-5473 INTERCHANGEABLE
Initiator,cartridge Actuated
6105-01-280-534312035 INTERCHANGEABLE
Diaphragm
Melrath Gasket
1005-01-459-478312035 INTERCHANGEABLE
Extractor,cartridge
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
1-2035 Selpac Corp
1-2035 Harsco Corp Sherwood Div (USA)
1-2035 PRIMARY Frank Electric Corporation Dba Frank Electric Corporation (USA)
1/2X1 434450SET6000 Crosby Valve Corp Div of Geosource Inc (USA)
Related Parts
5120-00-177-6874INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
3030-00-529-0353INTERCHANGEABLE
BELT,V
227241
6625-00-976-9503INTERCHANGEABLE
SWITCH,ELECTRONIC
5998-01-038-0158INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-01-043-4875INTERCHANGEABLE
SWITCH,SENSITIVE
12035
5985-01-063-5903INTERCHANGEABLE
COUPLER,TRANSMISSION LINE
5305-01-217-5899INTERCHANGEABLE
SCREW,MACHINE
1377-01-260-5473INTERCHANGEABLE
INITIATOR,CARTRIDGE ACTUATED
6105-01-280-5343INTERCHANGEABLE
DIAPHRAGM
12035
1005-01-459-4783INTERCHANGEABLE
EXTRACTOR,CARTRIDGE
12035
5330-01-600-9114INTERCHANGEABLE
SEAL,PLAIN
12035

Frequently Asked Questions

What is NSN 4820-00-932-0958?

NSN 4820-00-932-0958 is a Valve,safety Relief, manufactured by Frank Electric Corporation Dba Frank Electric Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-932-0958?

NSN 4820-00-932-0958 has 4 cross-referenced part numbers: 1-2035 (Selpac Corp), 1-2035 (Harsco Corp Sherwood Div), 1-2035 (Frank Electric Corporation Dba Frank Electric Corporation), 1/2X1 434450SET6000 (Crosby Valve Corp Div of Geosource Inc).

What NSN replaces 4820-00-932-0958?

There are 11 known substitutes for 4820-00-932-0958: 5120-00-177-6874, 3030-00-529-0353, 6625-00-976-9503 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-2035?

Key specifications for 1-2035: Special Features: FACTORY SET AND SEALED AT 6000.0 PSI; Flow Control Device: POPPET; Connection Type: THREADED INTERNAL PIPE FIRST END; Style Designator: ANGLE. 16 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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