PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DRB270-2Cap,valve

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-00-564-3315 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-564-3315 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-564-3315. Primary manufacturer part number: DRB270-2.
Features
  • Cap,valve — FSC 4820
  • Material: COPPER ALLOY
  • Valve Size for Which Designed: 0.250 INCHES IN
  • Valve Type for Which Designed: GLOBE
  • 3 verified cross-references
  • Primary manufacturer: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-00-564-3315, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-564-3315
Primary Part NumberDRB270-2
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
MaterialCOPPER ALLOY
Valve Size for Which Designed0.250 INCHES IN
Valve Type for Which DesignedGLOBE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3010-00-397-4839M2139 INTERCHANGEABLE
Gearbox,three Direc
Smith and Smith Aircraft Co
3110-00-931-5341M2139 INTERCHANGEABLE
Bearing,roller,cylindrical
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
DRB270-2 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
A5783PCDRB270-2 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
M2139 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
3010-00-397-4839INTERCHANGEABLE
GEARBOX,THREE DIREC
M2139
3110-00-931-5341INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
M2139

Frequently Asked Questions

What is NSN 4820-00-564-3315?

NSN 4820-00-564-3315 is a Cap,valve, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-564-3315?

NSN 4820-00-564-3315 has 3 cross-referenced part numbers: DRB270-2 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), A5783PCDRB270-2 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), M2139 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4820-00-564-3315?

There are 2 known substitutes for 4820-00-564-3315: 3010-00-397-4839, 3110-00-931-5341. Verify interchangeability with system specifications before substitution.

What are the specifications of DRB270-2?

Key specifications for DRB270-2: Overall Length: 1.290 INCHES NOMINAL IN; Material: COPPER ALLOY; Valve Size for Which Designed: 0.250 INCHES IN; Valve Type for Which Designed: GLOBE. 4 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