PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4L540Belt,v

Contitech Usa, Inc. · NSN 3030-00-528-3787 · FSC 3030 · No Item Name Available
Verified by PartsTable
NSN 3030-00-528-3787 — this item is cataloged by the U.S. Government under National Stock Number 3030-00-528-3787. Primary manufacturer part number: 4L540.
Features
  • Belt,v — FSC 3030
  • Strengthening Feature: FIBER CORD
  • Performance Type: LIGHT DUTY
  • Material: FIBER AND RUBBER BODY
  • Cross-Sectional Size: 4L
  • Style Designator: PLAIN
  • Nominal Width: 0.500 INCHES IN
  • Nominal Effective Outside Length: 54.000 INCHES IN
Applications
  • Applications requiring Fiber and Rubber Body construction
General Description

The Belt,v, cataloged under National Stock Number 3030-00-528-3787, is classified within Federal Supply Class 3030 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Contitech Usa, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 24 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
NSN3030-00-528-3787
Primary Part Number4L540
Item NameBelt,v
FSC / FSG3030 / 30 — No Item Name Available
ManufacturerContitech Usa, Inc.
StatusCANCELLED
Strengthening FeatureFIBER CORD
Performance TypeLIGHT DUTY
MaterialFIBER AND RUBBER BODY
Cross-Sectional Size4L
Style DesignatorPLAIN
Nominal Width0.500 INCHES IN
Nominal Effective Outside Length54.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-088-8666SAE J530 4-4-4 130425B INTERCHANGEABLE
Tee,pipe
Sae International Dba Sae International
2940-00-125-95441HA609 INTERCHANGEABLE
Filter Element,fluid
Oshkosh Defense Llc
5905-00-136-8431 INTERCHANGEABLE
Resistor,fixed,composition
9540-00-264-0265 INTERCHANGEABLE
Angle,structural
5998-00-276-203911-2100-1 INTERCHANGEABLE
Circuit Card Assembly
Pickard and Burns Inc
5330-00-285-6389106275 INTERCHANGEABLE
Seal,plain Encased
Cummins Inc.
3120-00-323-1462 INTERCHANGEABLE
Bearing,sleeve
4320-00-479-886255-22049-190/S INTERCHANGEABLE
Ring,wearing
Euramco Safety Inc
3020-00-486-8143GC14-21P1 INTERCHANGEABLE
Gear,spur
Secs Inc
5342-00-501-00214902-5 INTERCHANGEABLE
Cover
Flexco, Inc
Cross-Reference Index
Part NumberManufacturer
4L540 Contitech Usa, Inc. (USA)
27-1240P Johnson Controls Navy Systems, Llc (USA)
520 Rockwell International Corp Power Tool Div (USA)
4L540 Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division (USA)
4L540 Universal Friction Composites Inc Plastics Div (USA)
2540 Gates Corporation (USA)
4L540 Goodrich Corporation (USA)
102432 Star Industries Inc (USA)
4L540 W.w. Grainger, Inc. Div Government Sales Division (USA)
H121 Jari Div Year-a-Round Cab Corp (USA)
MS39242-4L540 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4369-241 Jamison Door Company (USA)
4L540 Emerson Electric Co Browning Mfg Div (USA)
6077026 Houdaille Industries Inc Powermatic Div (USA)
49-025 Delta Intl Machinery Corp (USA)
ZZ-B-215 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FHP152 Emerson Electric Co Browning Mfg Div (USA)
4L540 Carlisle Power Transmission Products Inc (USA)
4L540 Goodyear Tire and Rubber Co the (USA)
28-5650 Circle Machine and Engineering Inc (USA)
Related Parts
4730-00-088-8666INTERCHANGEABLE
TEE,PIPE
SAE J530 4-4-4 130425B
2940-00-125-9544INTERCHANGEABLE
FILTER ELEMENT,FLUID
1HA609
5905-00-136-8431INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
9540-00-264-0265INTERCHANGEABLE
ANGLE,STRUCTURAL
5998-00-276-2039INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
11-2100-1
5330-00-285-6389INTERCHANGEABLE
SEAL,PLAIN ENCASED
106275
3120-00-323-1462INTERCHANGEABLE
BEARING,SLEEVE
4320-00-479-8862INTERCHANGEABLE
RING,WEARING
55-22049-190/S
3020-00-486-8143INTERCHANGEABLE
GEAR,SPUR
GC14-21P1
5342-00-501-0021INTERCHANGEABLE
COVER
4902-5
5905-00-568-2425INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
145613
3030-00-577-6991INTERCHANGEABLE
BELT,V
B99

Frequently Asked Questions

What is NSN 3030-00-528-3787?

NSN 3030-00-528-3787 is a Belt,v, manufactured by Contitech Usa, Inc., classified under FSC 3030 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3030-00-528-3787?

NSN 3030-00-528-3787 has 31 cross-referenced part numbers: 4L540 (Contitech Usa, Inc.), 27-1240P (Johnson Controls Navy Systems, Llc), 520 (Rockwell International Corp Power Tool Div), 4L540 (Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division), 4L540 (Universal Friction Composites Inc Plastics Div) and 26 more.

What NSN replaces 3030-00-528-3787?

There are 12 known substitutes for 3030-00-528-3787: 4730-00-088-8666, 2940-00-125-9544, 5905-00-136-8431 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4L540?

Key specifications for 4L540: End Item Identification: SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); SPRUANCE CLASS DD (963); FORRESTAL CLASS CV; HAYES CLASS T-AG 195; WATERS CLASS TAGS-45; REFRIGERATION SYSTEMS; YELLOWSTONE CLASS AD-41; KILAUEA CLASS T-AE 26; IWO JIMA CLASS LPH; Strengthening Feature: FIBER CORD; Performance Type: LIGHT DUTY; Material: FIBER AND RUBBER BODY. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3030-00-528-3787 still in active supply?

NSN 3030-00-528-3787 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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