PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS39257-2C144Belts,v,matched Set

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 3030-00-079-7509 · FSC 3030 · No Item Name Available
Verified by PartsTable
NSN 3030-00-079-7509 — this item is cataloged by the U.S. Government under National Stock Number 3030-00-079-7509. Primary manufacturer part number: MS39257-2C144.
Features
  • Belts,v,matched Set — FSC 3030
  • Nominal Pitch Length: 146.900 INCHES IN
  • Style Designator: PLAIN, COG OR NOTCHED
  • Material: FIBER AND RUBBER BODY
  • Performance Type: STANDARD CAPACITY
  • Cross-Sectional Size: C
  • Strengthening Feature: FIBER CORD
  • Belt Quantity: 2
Applications
  • Applications requiring Fiber and Rubber Body construction
General Description

The Belts,v,matched Set, cataloged under National Stock Number 3030-00-079-7509, is classified within Federal Supply Class 3030 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3030-00-079-7509
Primary Part NumberMS39257-2C144
Item NameBelts,v,matched Set
FSC / FSG3030 / 30 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Nominal Pitch Length146.900 INCHES IN
Style DesignatorPLAIN, COG OR NOTCHED
MaterialFIBER AND RUBBER BODY
Performance TypeSTANDARD CAPACITY
Cross-Sectional SizeC
Strengthening FeatureFIBER CORD
Belt Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5950-00-250-820030-9317 INTERCHANGEABLE
Transformer,power
Magnetic Components Inc
3030-00-529-0376 INTERCHANGEABLE
Belt,v
5905-01-138-0474307-0472-00 INTERCHANGEABLE
Resistor,thermal
Tektronix, Inc.
4320-01-204-7973L-2242 INTERCHANGEABLE
Ring,wearing
Rps-Fl, Inc. Dba Rps Inc
Cross-Reference Index
Part NumberManufacturer
MS39257-2C144 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
PD33-21 Kolberg-Pioneer, Inc (USA)
C144SET2 Gates Corporation (USA)
C144 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
PD33-21 Portec Inc Pioneer Div (USA)
Related Parts
5950-00-250-8200INTERCHANGEABLE
TRANSFORMER,POWER
30-9317
3030-00-529-0376INTERCHANGEABLE
BELT,V
5905-01-138-0474INTERCHANGEABLE
RESISTOR,THERMAL
307-0472-00
4320-01-204-7973INTERCHANGEABLE
RING,WEARING
L-2242

Frequently Asked Questions

What is NSN 3030-00-079-7509?

NSN 3030-00-079-7509 is a Belts,v,matched Set, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3030 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3030-00-079-7509?

NSN 3030-00-079-7509 has 5 cross-referenced part numbers: MS39257-2C144 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), PD33-21 (Kolberg-Pioneer, Inc), C144SET2 (Gates Corporation), C144 (American National Standards Institute Incorporated Dba American National Standards Institute), PD33-21 (Portec Inc Pioneer Div).

What NSN replaces 3030-00-079-7509?

There are 4 known substitutes for 3030-00-079-7509: 5950-00-250-8200, 3030-00-529-0376, 5905-01-138-0474 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS39257-2C144?

Key specifications for MS39257-2C144: Nominal Pitch Length: 146.900 INCHES IN; Style Designator: PLAIN, COG OR NOTCHED; Material: FIBER AND RUBBER BODY; Performance Type: STANDARD CAPACITY. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3030-00-079-7509 still in active supply?

NSN 3030-00-079-7509 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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