PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9978Clutch Assembly,friction

Komatsu America Corporation · NSN 2520-01-035-8363 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-035-8363 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-035-8363. Primary manufacturer part number: 9978.
Features
  • Clutch Assembly,friction — FSC 2520
  • 3 verified cross-references
  • Primary manufacturer: Komatsu America Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Clutch Assembly,friction, cataloged under National Stock Number 2520-01-035-8363, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Komatsu America Corporation. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameClutch Assembly,friction
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersKomatsu America Corporation (CAGE 23926)
Technical Specifications
ParameterValue
NSN2520-01-035-8363
Primary Part Number9978
Item NameClutch Assembly,friction
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5955-00-499-7324712732-16 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Div Rmd Strategic
4520-01-069-89312HN063B-13 INTERCHANGEABLE
Heating Element,electrical,nonim
Ari Industries Inc
5950-01-101-786413043751 INTERCHANGEABLE
Transformer,pulse
Raytheon Company Dba Raytheon
4820-01-103-0134N09978 INTERCHANGEABLE
Plug,plunger
Leslie Controls, Inc. Dba Leslie Controls Inc
6130-01-685-49699978 INTERCHANGEABLE
Converter,frequency,electronic
KB Electronics Inc
Cross-Reference Index
Part NumberManufacturer
9978 Komatsu America Corporation (USA)
D9978 Komatsu America Corporation (USA)
D-99778 Komatsu America Corporation (USA)
Related Parts
5955-00-499-7324INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
712732-16
4520-01-069-8931INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
2HN063B-13
5950-01-101-7864INTERCHANGEABLE
TRANSFORMER,PULSE
13043751
4820-01-103-0134INTERCHANGEABLE
PLUG,PLUNGER
N09978
6130-01-685-4969INTERCHANGEABLE
CONVERTER,FREQUENCY,ELECTRONIC
9978

Frequently Asked Questions

What is NSN 2520-01-035-8363?

NSN 2520-01-035-8363 is a Clutch Assembly,friction, manufactured by Komatsu America Corporation, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-035-8363?

NSN 2520-01-035-8363 has 3 cross-referenced part numbers: 9978 (Komatsu America Corporation), D9978 (Komatsu America Corporation), D-99778 (Komatsu America Corporation).

What NSN replaces 2520-01-035-8363?

There are 5 known substitutes for 2520-01-035-8363: 5955-00-499-7324, 4520-01-069-8931, 5950-01-101-7864 and 2 more. Verify interchangeability with system specifications before substitution.

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