PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6511Clutch Assembly,friction

London Machinery Inc · NSN 2520-01-272-3943 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-272-3943 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-272-3943. Primary manufacturer part number: 6511.
Features
  • Clutch Assembly,friction — FSC 2520
  • 1 verified cross-reference
  • Primary manufacturer: London Machinery Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Clutch Assembly,friction, cataloged under National Stock Number 2520-01-272-3943, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is London Machinery Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-01-272-3943
Primary Part Number6511
Item NameClutch Assembly,friction
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerLondon Machinery Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-6188104923 INTERCHANGEABLE
Ball,bearing
Brinkley Technology Group Llc Dba Hercules Manufacturing
3110-00-101-3515458-453X INTERCHANGEABLE
Bearing,roller,tapered
Carver Pump Company
5342-00-103-3276 INTERCHANGEABLE
Bracket,actuator Inlet
5310-00-141-1568 INTERCHANGEABLE
Nut,eye
6105-00-177-454365-11 INTERCHANGEABLE
Motor,alternating Current
Arc Systems Inc
5330-00-579-8101102748 INTERCHANGEABLE
Gasket
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
2040-00-633-6022 INTERCHANGEABLE
Shaft Log
3020-01-218-82085901W11G702 INTERCHANGEABLE
Pulley,flat
Ametek Inc Div Aerospace and Defense
5962-01-269-318251065-0011 INTERCHANGEABLE
Microcircuit,digital
Honeywell International Inc Dba Honeywell
7530-01-536-26596511 INTERCHANGEABLE
Paper,duracopy Waterproof Copier
Jl Darling, Llc
Cross-Reference Index
Part NumberManufacturer
6511 PRIMARY London Machinery Inc (CAN)
Related Parts
3110-00-100-6188INTERCHANGEABLE
BALL,BEARING
104923
3110-00-101-3515INTERCHANGEABLE
BEARING,ROLLER,TAPERED
458-453X
5342-00-103-3276INTERCHANGEABLE
BRACKET,ACTUATOR INLET
5310-00-141-1568INTERCHANGEABLE
NUT,EYE
6105-00-177-4543INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
65-11
5330-00-579-8101INTERCHANGEABLE
GASKET
102748
2040-00-633-6022INTERCHANGEABLE
SHAFT LOG
3020-01-218-8208INTERCHANGEABLE
PULLEY,FLAT
5901W11G702
5962-01-269-3182INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
51065-0011
7530-01-536-2659INTERCHANGEABLE
PAPER,DURACOPY WATERPROOF COPIER
6511
5310-01-546-6111INTERCHANGEABLE
WASHER,FLAT
1193.10L.0.11
5210-01-562-3432INTERCHANGEABLE
METER,RANGE,LASER
3508185

Frequently Asked Questions

What is NSN 2520-01-272-3943?

NSN 2520-01-272-3943 is a Clutch Assembly,friction, manufactured by London Machinery Inc, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-272-3943?

NSN 2520-01-272-3943 has 1 cross-referenced part number: 6511 (London Machinery Inc).

What NSN replaces 2520-01-272-3943?

There are 12 known substitutes for 2520-01-272-3943: 3110-00-100-6188, 3110-00-101-3515, 5342-00-103-3276 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6511?

Key specifications for 6511: End Item Identification: LONDON MACHINERY CO.,CONCRETE MIXER MODEL 11S. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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