PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8270Valve,safety Relief

Greno Industries, Inc. Dba Greno Industries Inc · NSN 4820-01-278-3590 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-278-3590 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-278-3590. Primary manufacturer part number: 8270.
Features
  • Valve,safety Relief — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Material: STEEL COMP 630 OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Greno Industries, Inc. Dba Greno Industries Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 630 Overall construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-278-3590, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Greno Industries, Inc. Dba Greno Industries Inc. Government technical data includes 2 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-278-3590
Primary Part Number8270
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGreno Industries, Inc. Dba Greno Industries Inc
StatusACTIVE
Style DesignatorSTRAIGHT THRU
MaterialSTEEL COMP 630 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6135-00-194-9352 INTERCHANGEABLE
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5306-00-527-495882008 INTERCHANGEABLE
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5996-00-570-6017 INTERCHANGEABLE
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2530-00-773-533882008 INTERCHANGEABLE
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6625-00-954-27851000H INTERCHANGEABLE
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5950-01-029-5941T235A204-1 INTERCHANGEABLE
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4820-01-049-871014540 PC18 INTERCHANGEABLE
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6240-01-071-04848270 INTERCHANGEABLE
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Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
5962-01-096-4127 INTERCHANGEABLE
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5315-01-100-216203124000 INTERCHANGEABLE
Pin,grooved,headed
Hatz Diesel of America Inc
Cross-Reference Index
Part NumberManufacturer
8270 PRIMARY Greno Industries, Inc. Dba Greno Industries Inc (USA)
8200 8 Greno Industries, Inc. Dba Greno Industries Inc (USA)
Related Parts
6135-00-194-9352INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5306-00-527-4958INTERCHANGEABLE
BOLT,MACHINE
82008
5996-00-570-6017INTERCHANGEABLE
AMPLIFIER,MAGNETIC
2530-00-773-5338INTERCHANGEABLE
SHIEL
82008
6625-00-954-2785INTERCHANGEABLE
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5950-01-029-5941INTERCHANGEABLE
TRANSFORMER,PULSE
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4820-01-049-8710INTERCHANGEABLE
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LAMP,INCANDESCENT
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5962-01-096-4127INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5315-01-100-2162INTERCHANGEABLE
PIN,GROOVED,HEADED
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5962-01-123-1690INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
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SEAT,VALVE
07445.002.128

Frequently Asked Questions

What is NSN 4820-01-278-3590?

NSN 4820-01-278-3590 is a Valve,safety Relief, manufactured by Greno Industries, Inc. Dba Greno Industries Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-278-3590?

NSN 4820-01-278-3590 has 2 cross-referenced part numbers: 8270 (Greno Industries, Inc. Dba Greno Industries Inc), 8200 8 (Greno Industries, Inc. Dba Greno Industries Inc).

What NSN replaces 4820-01-278-3590?

There are 12 known substitutes for 4820-01-278-3590: 6135-00-194-9352, 5306-00-527-4958, 5996-00-570-6017 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8270?

Key specifications for 8270: Special Features: CARTRIDGE TYPE; Style Designator: STRAIGHT THRU; Material: STEEL COMP 630 OVERALL. 3 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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