PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6503-86 PIECE 69Flange,gland,valve

Huntington Ingalls Inc Div Newport News Shipbuilding · NSN 4820-01-235-9079 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-235-9079 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-235-9079. Primary manufacturer part number: 6503-86 PIECE 69.
Features
  • Flange,gland,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 4 verified cross-references
  • Primary manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Flange,gland,valve, cataloged under National Stock Number 4820-01-235-9079, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-235-9079
Primary Part Number6503-86 PIECE 69
Item NameFlange,gland,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHuntington Ingalls Inc Div Newport News Shipbuilding
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3040-00-484-3561 INTERCHANGEABLE
Ball Joint
Cross-Reference Index
Part NumberManufacturer
4475023 ITEM 69 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
6503-86 PIECE 69 PRIMARY Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
6503-86 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
4475023 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Related Parts
3040-00-484-3561INTERCHANGEABLE
BALL JOINT

Frequently Asked Questions

What is NSN 4820-01-235-9079?

NSN 4820-01-235-9079 is a Flange,gland,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-235-9079?

NSN 4820-01-235-9079 has 4 cross-referenced part numbers: 4475023 ITEM 69 (Huntington Ingalls Inc Div Newport News Shipbuilding), 6503-86 PIECE 69 (Huntington Ingalls Inc Div Newport News Shipbuilding), 6503-86 (Huntington Ingalls Inc Div Newport News Shipbuilding), 4475023 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What NSN replaces 4820-01-235-9079?

There is 1 known substitute for 4820-01-235-9079: 3040-00-484-3561. Verify interchangeability with system specifications before substitution.

What are the specifications of 6503-86 PIECE 69?

Key specifications for 6503-86 PIECE 69: Material: STEEL CORROSION RESISTING; Special Features: USED ON BACK-UP VALVE. 2 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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