PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4L720Belt,v

Raymark Industries Inc · NSN 3030-00-528-3762 · FSC 3030 · No Item Name Available
Verified by PartsTable
NSN 3030-00-528-3762 — this item is cataloged by the U.S. Government under National Stock Number 3030-00-528-3762. Primary manufacturer part number: 4L720.
Features
  • Belt,v — FSC 3030
  • Cross-Sectional Size: 4L
  • Performance Type: LIGHT DUTY
  • Nominal Width: 0.500 INCHES IN
  • Material: RUBBER BODY
  • Environmental Protection: HEAT RESISTANT AND OIL RESISTANT AND STATIC FREE
  • Strengthening Feature: SYNTHETIC CORD
  • Style Designator: PLAIN
Applications
  • Applications requiring Rubber Body construction
General Description

The Belt,v, cataloged under National Stock Number 3030-00-528-3762, is classified within Federal Supply Class 3030 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Raymark Industries Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3030-00-528-3762
Primary Part Number4L720
Item NameBelt,v
FSC / FSG3030 / 30 — No Item Name Available
ManufacturerRaymark Industries Inc
StatusCANCELLED
Cross-Sectional Size4L
Performance TypeLIGHT DUTY
Nominal Width0.500 INCHES IN
MaterialRUBBER BODY
Environmental ProtectionHEAT RESISTANT AND OIL RESISTANT AND STATIC FREE
Strengthening FeatureSYNTHETIC CORD
Style DesignatorPLAIN
Nominal Effective Outside Length72.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5330-00-146-7447 INTERCHANGEABLE
Gasket
5950-00-183-93621M072LS51010 INTERCHANGEABLE
Reactor
Magnespec Inc
5330-00-285-134665X549 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
9540-00-287-9426 INTERCHANGEABLE
Channel,structural
6625-00-605-8993 INTERCHANGEABLE
Cap,grounding Wire
5950-00-647-7387A52697 INTERCHANGEABLE
Transformer,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
3120-00-662-43385276 INTERCHANGEABLE
Bearing,sleeve
Circor Aerospace, Inc. Div Circor
5935-00-672-9170209 INTERCHANGEABLE
Connector,plug,electrical
Cooper Wiring Devices Inc.
5935-01-029-89502139-06 INTERCHANGEABLE
Connector,receptacle,electrical
Molex, Llc
5120-01-399-9742 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
4L720 Raymark Industries Inc (USA)
4L720 Goodyear Tire and Rubber Co the (USA)
1M072 Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division (USA)
4L720 Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division (USA)
4L720 Lanxess Corporation (USA)
A52697 Keco Industries, Inc. (USA)
MS39242-55 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4L720 Carlisle Power Transmission Products Inc (USA)
4L720 Goodrich Corporation (USA)
4L720 Emerson Electric Co Browning Mfg Div (USA)
2720 Gates Corporation (USA)
4L720 Contitech Usa, Inc Dba Veyance Technologies (USA)
5276 Lanxess Corporation (USA)
4L720 Hbd Industries, Inc Div Hbd/thermoid Inc (USA)
Related Parts
5330-00-146-7447INTERCHANGEABLE
GASKET
5950-00-183-9362INTERCHANGEABLE
REACTOR
1M072LS51010
5330-00-285-1346INTERCHANGEABLE
SEAL,PLAIN ENCASED
65X549
9540-00-287-9426INTERCHANGEABLE
CHANNEL,STRUCTURAL
6625-00-605-8993INTERCHANGEABLE
CAP,GROUNDING WIRE
5950-00-647-7387INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
A52697
3120-00-662-4338INTERCHANGEABLE
BEARING,SLEEVE
5276
5935-00-672-9170INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
209
5935-01-029-8950INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2139-06
5120-01-399-9742INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 3030-00-528-3762?

NSN 3030-00-528-3762 is a Belt,v, manufactured by Raymark Industries Inc, classified under FSC 3030 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3030-00-528-3762?

NSN 3030-00-528-3762 has 14 cross-referenced part numbers: 4L720 (Raymark Industries Inc), 4L720 (Goodyear Tire and Rubber Co the), 1M072 (Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division), 4L720 (Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division), 4L720 (Lanxess Corporation) and 9 more.

What NSN replaces 3030-00-528-3762?

There are 10 known substitutes for 3030-00-528-3762: 5330-00-146-7447, 5950-00-183-9362, 5330-00-285-1346 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4L720?

Key specifications for 4L720: Cross-Sectional Size: 4L; Performance Type: LIGHT DUTY; End Item Identification: GRUMMAN A10 AIRCRAFT; SUPPORT EQUIPMENT, T-38 AIRCRAFT; FIRE PUMPS; AIR COMPRESSORS, HIGH PRESSURE; SUPPORT EQUIPMENT, C-5 AIRCRAFT; SUPPORT EQUIPMENT, B-52 AIRCRAFT; SUPPORT EQUIPMENT, T-37 AIRCRAFT; TRACTOR, AIRCRAFT TOWING, MB-4; Nominal Width: 0.500 INCHES IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3030-00-528-3762 still in active supply?

NSN 3030-00-528-3762 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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