PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B2-6Flare Gasket

Superior Valve Co · NSN 4730-00-490-9076 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-490-9076 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-490-9076. Primary manufacturer part number: B2-6.
Features
  • Flare Gasket — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: Superior Valve Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Flare Gasket, cataloged under National Stock Number 4730-00-490-9076, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Superior Valve Co. This item has 1 commercial cross-reference 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.

Catalog Facts
Item NameFlare Gasket
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersSuperior Valve Co (CAGE 58553)
Technical Specifications
ParameterValue
NSN4730-00-490-9076
Primary Part NumberB2-6
Item NameFlare Gasket
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSuperior Valve Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-023-7532 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
6920-00-267-9959B26 INTERCHANGEABLE
Target,silhouette
National Target Company, Inc.
6680-00-394-7339B26 INTERCHANGEABLE
Tip Assembly,tachometer
Schulze Mfg., Inc.
5330-00-460-2667B2-6 INTERCHANGEABLE
Gasket
Kerotest Manufacturing Corp.
5950-00-477-0915 INTERCHANGEABLE
Transformer,radio Frequency
3110-00-555-5339 INTERCHANGEABLE
Bearing,ball,annular
6605-00-718-2029 INTERCHANGEABLE
Computer,navigational
4920-00-927-6984B26 INTERCHANGEABLE
Air Nozzle,fuel
Stahl, Inc
3030-01-061-6620B26 INTERCHANGEABLE
Belt,v
Emerson Electric Co Browning Mfg Div
3635-01-064-1820 INTERCHANGEABLE
Lapping Machine,quartz Crystal
Cross-Reference Index
Part NumberManufacturer
B2-6 PRIMARY Superior Valve Co (USA)
Related Parts
5905-00-023-7532INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
6920-00-267-9959INTERCHANGEABLE
TARGET,SILHOUETTE
B26
6680-00-394-7339INTERCHANGEABLE
TIP ASSEMBLY,TACHOMETER
B26
5330-00-460-2667INTERCHANGEABLE
GASKET
B2-6
5950-00-477-0915INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
3110-00-555-5339INTERCHANGEABLE
BEARING,BALL,ANNULAR
6605-00-718-2029INTERCHANGEABLE
COMPUTER,NAVIGATIONAL
4920-00-927-6984INTERCHANGEABLE
AIR NOZZLE,FUEL
B26
3030-01-061-6620INTERCHANGEABLE
BELT,V
B26
3635-01-064-1820INTERCHANGEABLE
LAPPING MACHINE,QUARTZ CRYSTAL
5977-01-417-2029INTERCHANGEABLE
BRUSH,GRINDING,POLI
B26
6505-01-480-1445INTERCHANGEABLE
COCKROACH AMERICAN
B26

Frequently Asked Questions

What is NSN 4730-00-490-9076?

NSN 4730-00-490-9076 is a Flare Gasket, manufactured by Superior Valve Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-490-9076?

NSN 4730-00-490-9076 has 1 cross-referenced part number: B2-6 (Superior Valve Co).

What NSN replaces 4730-00-490-9076?

There are 12 known substitutes for 4730-00-490-9076: 5905-00-023-7532, 6920-00-267-9959, 6680-00-394-7339 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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