PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GT40Clamp-Hose 2 3-8 in

Wittek Companies Intl Inc · NSN 4730-00-489-4739 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-489-4739 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-489-4739. Primary manufacturer part number: GT40.
Features
  • Clamp-Hose 2 3-8 in — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: Wittek Companies Intl Inc
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Clamp-Hose 2 3-8 in, cataloged under National Stock Number 4730-00-489-4739, 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 Wittek Companies Intl Inc. This item has 1 commercial cross-reference 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.

Catalog Facts
Item NameClamp-Hose 2 3-8 in
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersWittek Companies Intl Inc (CAGE 66295)
Technical Specifications
ParameterValue
NSN4730-00-489-4739
Primary Part NumberGT40
Item NameClamp-Hose 2 3-8 in
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerWittek Companies Intl Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-232-8920 INTERCHANGEABLE
Semiconductor Device,diode
5330-00-378-196851-156PC235 INTERCHANGEABLE
Gasket
Bath Iron Works Corporation
1740-01-082-1303GT40 INTERCHANGEABLE
Tractor,wheeled,aircraft Towing
Stewart & Stevenson Power Products Llc
Cross-Reference Index
Part NumberManufacturer
GT40 Wittek Companies Intl Inc (USA)
Related Parts
5961-00-232-8920INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5330-00-378-1968INTERCHANGEABLE
GASKET
51-156PC235
1740-01-082-1303INTERCHANGEABLE
TRACTOR,WHEELED,AIRCRAFT TOWING
GT40

Frequently Asked Questions

What is NSN 4730-00-489-4739?

NSN 4730-00-489-4739 is a Clamp-Hose 2 3-8 in, manufactured by Wittek Companies Intl Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-489-4739?

NSN 4730-00-489-4739 has 1 cross-referenced part number: GT40 (Wittek Companies Intl Inc).

What NSN replaces 4730-00-489-4739?

There are 3 known substitutes for 4730-00-489-4739: 5961-00-232-8920, 5330-00-378-1968, 1740-01-082-1303. Verify interchangeability with system specifications before substitution.

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