PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1517Lining,friction

Cmbf Products Inc · NSN 2530-00-278-6577 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-278-6577 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-278-6577. Primary manufacturer part number: 1517.
Features
  • Lining,friction — FSC 2530
  • Thickness: 0.188 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.375 INCHES NOMINAL IN
  • Hole Arrangement Style: STAGGERED
  • Fabrication Method: MOLDED
  • Mounting Hole Circle Diameter: 13.750 INCHES NOMINAL AND 9.250 INCHES NOMINAL IN
  • Lining Style: CLUTCH DISK
  • Features Provided: FLEXIBLE FRICTION LINING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lining,friction, cataloged under National Stock Number 2530-00-278-6577, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Cmbf Products Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2530-00-278-6577
Primary Part Number1517
Item NameLining,friction
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerCmbf Products Inc
StatusCANCELLED
Thickness0.188 INCHES NOMINAL IN
Mounting Hole Diameter0.375 INCHES NOMINAL IN
Hole Arrangement StyleSTAGGERED
Fabrication MethodMOLDED
Mounting Hole Circle Diameter13.750 INCHES NOMINAL AND 9.250 INCHES NOMINAL IN
Lining StyleCLUTCH DISK
Features ProvidedFLEXIBLE FRICTION LINING
Application TypeDRY
Surface Condition and LocationONE SIDE GROUND
Attachment MethodRIVETED
Circular Pattern Hole Type and Quantity12 COUNTERBORED INNER SECURING CIRCLE
Major Diameter15.000 INCHES NOMINAL IN
Circular Pattern Hole Type and Quantity12 COUNTERBORED OUTER SECURING CIRCLE
Minor Diameter8.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6610-00-234-9388108954 INTERCHANGEABLE
Prism,optical
Astronautics Corporation of America
4320-00-300-59621517P INTERCHANGEABLE
Disk,valve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6625-00-602-8509108954 INTERCHANGEABLE
Meter,electrical Frequency
Biddle Co
1420-00-940-1932402430 INTERCHANGEABLE
Ball End,relief Val
Eaton Aerospace, Llc Dba Jackson South
5815-01-028-1968402430 INTERCHANGEABLE
Teletypewriter Subassembly
Telemechanics Inc
5961-01-075-2169 INTERCHANGEABLE
Transistor
8125-01-570-6435108954 INTERCHANGEABLE
Spray Attachment,bottle
U S Dept of Transportation Federal Aviation Administration
Cross-Reference Index
Part NumberManufacturer
1517 Raybestos-Manhattan Inc (USA)
1517P The S K Wellman Corp Dba Wellman Friction Products (USA)
108954 Komatsu American Intl Co (USA)
EW1517 Raybestos-Manhattan Inc (USA)
SA28615 Komatsu America Corporation (USA)
CL9038-16 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
CL-8126-13 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
1517 PRIMARY Cmbf Products Inc (USA)
402430 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
CL7563 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
151HB313 Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
50423DX Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
1517 The S K Wellman Corp Dba Wellman Friction Products (USA)
265317R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
CL4279 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
1517P PRIMARY Cmbf Products Inc (USA)
1517 Friction Materials Standards Institute Inc (USA)
108954H1 Komatsu American Intl Co (USA)
RDCL7563 Vme Americas Inc Sub of Vme Group N V (USA)
1517 Muzzio Bros Yacht Yard (USA)
Related Parts
6610-00-234-9388INTERCHANGEABLE
PRISM,OPTICAL
108954
4320-00-300-5962INTERCHANGEABLE
DISK,VALVE
1517P
6625-00-602-8509INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
108954
1420-00-940-1932INTERCHANGEABLE
BALL END,RELIEF VAL
402430
5815-01-028-1968INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
402430
5961-01-075-2169INTERCHANGEABLE
TRANSISTOR
8125-01-570-6435INTERCHANGEABLE
SPRAY ATTACHMENT,BOTTLE
108954

Frequently Asked Questions

What is NSN 2530-00-278-6577?

NSN 2530-00-278-6577 is a Lining,friction, manufactured by Cmbf Products Inc, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-00-278-6577?

NSN 2530-00-278-6577 has 23 cross-referenced part numbers: 1517 (Raybestos-Manhattan Inc), 1517P (The S K Wellman Corp Dba Wellman Friction Products), 108954 (Komatsu American Intl Co), EW1517 (Raybestos-Manhattan Inc), SA28615 (Komatsu America Corporation) and 18 more.

What NSN replaces 2530-00-278-6577?

There are 7 known substitutes for 2530-00-278-6577: 6610-00-234-9388, 4320-00-300-5962, 6625-00-602-8509 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1517?

Key specifications for 1517: Thickness: 0.188 INCHES NOMINAL IN; Mounting Hole Diameter: 0.375 INCHES NOMINAL IN; Hole Arrangement Style: STAGGERED; Fabrication Method: MOLDED. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-278-6577 still in active supply?

NSN 2530-00-278-6577 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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