PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BT126Belt,v

Illinois Tool Works Inc. · NSN 3030-00-528-4594 · FSC 3030 · No Item Name Available
Verified by PartsTable
NSN 3030-00-528-4594 — this item is cataloged by the U.S. Government under National Stock Number 3030-00-528-4594. Primary manufacturer part number: BT126.
Features
  • Belt,v — FSC 3030
  • Nominal Effective Outside Length: 90.000 INCHES IN
  • Material: FIBER AND RUBBER BODY
  • Strengthening Feature: FIBER CORD
  • Cross-Sectional Size: 5L
  • Style Designator: COG OR NOTCHED
  • 5 verified cross-references
  • Primary manufacturer: Illinois Tool Works Inc.
Applications
  • Applications requiring Fiber and Rubber Body construction
General Description

The Belt,v, cataloged under National Stock Number 3030-00-528-4594, is classified within Federal Supply Class 3030 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Illinois Tool Works Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3030-00-528-4594
Primary Part NumberBT126
Item NameBelt,v
FSC / FSG3030 / 30 — No Item Name Available
ManufacturerIllinois Tool Works Inc.
StatusCANCELLED
Nominal Effective Outside Length90.000 INCHES IN
MaterialFIBER AND RUBBER BODY
Strengthening FeatureFIBER CORD
Cross-Sectional Size5L
Style DesignatorCOG OR NOTCHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
7510-00-129-57213900 INTERCHANGEABLE
Ribbon,inking
Supplies Intl
1680-00-546-0929 INTERCHANGEABLE
Arm,shoulder Harness
6625-00-581-8329 INTERCHANGEABLE
Ammeter
6145-00-635-4598 INTERCHANGEABLE
Cable,power,electrical
4320-00-843-2169 INTERCHANGEABLE
Pump,centrifugal
5325-00-846-84843900 INTERCHANGEABLE
Insert,screw Thread
Telemechanics Inc
3110-00-953-0243 INTERCHANGEABLE
Bearing,bronze
1560-00-974-84853900 INTERCHANGEABLE
Flange,adapter
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
7510-01-026-16904104 RED 2 IN. INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
Valley Industrial Products Inc
6625-01-069-78123900 INTERCHANGEABLE
Test Set,telecommunication Syste
Hekimian Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
BT126 Illinois Tool Works Inc. (USA)
MS39243-61 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5L900 Goodyear Tire and Rubber Co the (USA)
5L900 Contitech Usa, Inc Dba Veyance Technologies (USA)
3900 Gates Corporation (USA)
Related Parts
7510-00-129-5721INTERCHANGEABLE
RIBBON,INKING
3900
1680-00-546-0929INTERCHANGEABLE
ARM,SHOULDER HARNESS
6625-00-581-8329INTERCHANGEABLE
AMMETER
6145-00-635-4598INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
4320-00-843-2169INTERCHANGEABLE
PUMP,CENTRIFUGAL
5325-00-846-8484INTERCHANGEABLE
INSERT,SCREW THREAD
3900
3110-00-953-0243INTERCHANGEABLE
BEARING,BRONZE
1560-00-974-8485INTERCHANGEABLE
FLANGE,ADAPTER
3900
7510-01-026-1690INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
4104 RED 2 IN.
6625-01-069-7812INTERCHANGEABLE
TEST SET,TELECOMMUNICATION SYSTE
3900
5805-01-252-7677INTERCHANGEABLE
PANEL,TELEPHONE SWITCHBOARD
3900
6780-01-381-7188INTERCHANGEABLE
DARKROOM EXPENDABLE SUPPLY SET,P

Frequently Asked Questions

What is NSN 3030-00-528-4594?

NSN 3030-00-528-4594 is a Belt,v, manufactured by Illinois Tool Works Inc., classified under FSC 3030 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3030-00-528-4594?

NSN 3030-00-528-4594 has 5 cross-referenced part numbers: BT126 (Illinois Tool Works Inc.), MS39243-61 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5L900 (Goodyear Tire and Rubber Co the), 5L900 (Contitech Usa, Inc Dba Veyance Technologies), 3900 (Gates Corporation).

What NSN replaces 3030-00-528-4594?

There are 12 known substitutes for 3030-00-528-4594: 7510-00-129-5721, 1680-00-546-0929, 6625-00-581-8329 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BT126?

Key specifications for BT126: Nominal Effective Outside Length: 90.000 INCHES IN; Material: FIBER AND RUBBER BODY; Strengthening Feature: FIBER CORD; Cross-Sectional Size: 5L. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3030-00-528-4594 still in active supply?

NSN 3030-00-528-4594 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.
PartsTable Design LLC · partstable.com