PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

280026-001Flange,pipe

Northrop Grumman Systems Corporation · NSN 4730-01-328-0614 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-328-0614 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-328-0614. Primary manufacturer part number: 280026-001.
Features
  • Flange,pipe — FSC 4730
  • Flange Diameter: 3.500 INCHES NOMINAL IN
  • Bolt Hole Diameter: 0.250 INCHES NOMINAL IN
  • Nominal Thread Size: 0.750 INCHES IN
  • Bolt Hole Quantity: 4
  • Screw Thread Series Designator: NPT
  • Nominal Pipe Size for Which Designed: 0.750 INCHES IN
  • Flange Section Style: PLAIN FACE, RAISED NECK
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-01-328-0614, 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 Northrop Grumman Systems Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-328-0614
Primary Part Number280026-001
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
Flange Diameter3.500 INCHES NOMINAL IN
Bolt Hole Diameter0.250 INCHES NOMINAL IN
Nominal Thread Size0.750 INCHES IN
Bolt Hole Quantity4
Screw Thread Series DesignatorNPT
Nominal Pipe Size for Which Designed0.750 INCHES IN
Flange Section StylePLAIN FACE, RAISED NECK
MaterialIRON
Face Seating Surface ConditionMACHINED
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Bolt Circle Diameter2.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5330-00-408-455813217E6624 INTERCHANGEABLE
Gasket
Cecom Lr Center
5999-00-917-6951119-0034-00 INTERCHANGEABLE
Delay Line
Tektronix, Inc.
6240-01-144-509511-903-4 INTERCHANGEABLE
Lamp
Te Connectivity Corporation
6240-01-183-542510-1613-1189 INTERCHANGEABLE
Lamp,incandescent
Eao Switch Corporation
5305-01-528-4061119034 INTERCHANGEABLE
Screw,cap,socket Head
Bourns Inc
3110-01-594-0804119034 INTERCHANGEABLE
Ring,bearing,outer
Midmark Corporation Dba Midmark Corp
Cross-Reference Index
Part NumberManufacturer
280026-001 Northrop Grumman Systems Corporation (USA)
280026-001 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
1190-3/4 Itt Grinnell Corp (USA)
FIG190-3/4 Stockham Valves and Fittings Inc (USA)
Related Parts
5330-00-408-4558INTERCHANGEABLE
GASKET
13217E6624
5999-00-917-6951INTERCHANGEABLE
DELAY LINE
119-0034-00
6240-01-144-5095INTERCHANGEABLE
LAMP
11-903-4
6240-01-183-5425INTERCHANGEABLE
LAMP,INCANDESCENT
10-1613-1189
5305-01-528-4061INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
119034
3110-01-594-0804INTERCHANGEABLE
RING,BEARING,OUTER
119034

Frequently Asked Questions

What is NSN 4730-01-328-0614?

NSN 4730-01-328-0614 is a Flange,pipe, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-328-0614?

NSN 4730-01-328-0614 has 4 cross-referenced part numbers: 280026-001 (Northrop Grumman Systems Corporation), 280026-001 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 1190-3/4 (Itt Grinnell Corp), FIG190-3/4 (Stockham Valves and Fittings Inc).

What NSN replaces 4730-01-328-0614?

There are 6 known substitutes for 4730-01-328-0614: 5330-00-408-4558, 5999-00-917-6951, 6240-01-144-5095 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 280026-001?

Key specifications for 280026-001: Flange Diameter: 3.500 INCHES NOMINAL IN; Bolt Hole Diameter: 0.250 INCHES NOMINAL IN; Nominal Thread Size: 0.750 INCHES IN; Bolt Hole Quantity: 4. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-328-0614 still in active supply?

NSN 4730-01-328-0614 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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