PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18277Dome Assembly

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 4820-01-006-9620 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-006-9620 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-006-9620. Primary manufacturer part number: 18277.
Features
  • Dome Assembly — FSC 4820
  • General Characteristics Item Description: BRASS BODY,STAINLESS STEEL TRIM AND NEOPRENE SEALS;FLOW RATE 1900 SCFM;PROOF PRESSURE 5775 PSI;BURST PRESSURE 11.500 PSI;INELT AND OUTLET FITTING 0.750 IN;OPERATING TEMP MINUS 20 DEGREE TO 165 DEGREE FAHRENHEIT IN
  • 2 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Dome Assembly, cataloged under National Stock Number 4820-01-006-9620, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-006-9620
Primary Part Number18277
Item NameDome Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
General Characteristics Item DescriptionBRASS BODY,STAINLESS STEEL TRIM AND NEOPRENE SEALS;FLOW RATE 1900 SCFM;PROOF PRESSURE 5775 PSI;BURST PRESSURE 11.500 PSI;INELT AND OUTLET FITTING 0.750 IN;OPERATING TEMP MINUS 20 DEGREE TO 165 DEGREE FAHRENHEIT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-01-154-09683479920-3 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
6250-01-288-708618277 INTERCHANGEABLE
Lampholder
Phoenix Products Llc Dba Phoenix Lighting Products Llc
5950-01-417-150018277 INTERCHANGEABLE
Reactor
Robert M. Hadley Company, Inc.
Cross-Reference Index
Part NumberManufacturer
P38-433-3PC61 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
18277 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
5950-01-154-0968INTERCHANGEABLE
COIL,RADIO FREQUENCY
3479920-3
6250-01-288-7086INTERCHANGEABLE
LAMPHOLDER
18277
5950-01-417-1500INTERCHANGEABLE
REACTOR
18277

Frequently Asked Questions

What is NSN 4820-01-006-9620?

NSN 4820-01-006-9620 is a Dome Assembly, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-006-9620?

NSN 4820-01-006-9620 has 2 cross-referenced part numbers: P38-433-3PC61 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 18277 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 4820-01-006-9620?

There are 3 known substitutes for 4820-01-006-9620: 5950-01-154-0968, 6250-01-288-7086, 5950-01-417-1500. Verify interchangeability with system specifications before substitution.

What are the specifications of 18277?

Key specifications for 18277: General Characteristics Item Description: BRASS BODY,STAINLESS STEEL TRIM AND NEOPRENE SEALS;FLOW RATE 1900 SCFM;PROOF PRESSURE 5775 PSI;BURST PRESSURE 11.500 PSI;INELT AND OUTLET FITTING 0.750 IN;OPERATING TEMP MINUS 20 DEGREE TO 165 DEGREE FAHRENHEIT IN. 1 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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