PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5B6378Link,roller Chain

Caterpillar Inc Div Caterpillar Defense · NSN 3020-00-244-0306 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-244-0306 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-244-0306. Primary manufacturer part number: 5B6378.
Features
  • Link,roller Chain — FSC 3020
  • 22 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Link,roller Chain, cataloged under National Stock Number 3020-00-244-0306, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 22 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameLink,roller Chain
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersBarber-Greene Co (CAGE 05643); Amca Intl Corp Unit Crane Div (CAGE 61822); Minnpar, Llc Dba Minnpar (CAGE 0MKW7); Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Diamond Chain Co Div of Amsted Industries Inc (CAGE 72625)
Technical Specifications
ParameterValue
NSN3020-00-244-0306
Primary Part Number5B6378
Item NameLink,roller Chain
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1650-00-254-49871270-3 INTERCHANGEABLE
Servocylinder
Hawker Pacific Aerospace
6810-00-264-6547 INTERCHANGEABLE
Ammonium Phosphate,dibasic
6620-00-321-013412703 INTERCHANGEABLE
Insert,floating Control
Honeywell International Inc. Div Aerospace - Torrance
5110-00-596-8494 INTERCHANGEABLE
Reamer,hand
4320-00-627-4731012703 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5930-00-636-1295GS100-110-18 INTERCHANGEABLE
Switch,lever
L3harris Technologies, Inc Div Space & Airborne Systems
5330-00-641-5388 INTERCHANGEABLE
Gasket
2915-00-694-918412-703 INTERCHANGEABLE
Impeller
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5915-00-834-88542192243 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
9540-00-933-9374 INTERCHANGEABLE
Angle,structural
Cross-Reference Index
Part NumberManufacturer
12703 Barber-Greene Co (USA)
C930 Amca Intl Corp Unit Crane Div (USA)
A6-87 Minnpar, Llc Dba Minnpar (USA)
A6-86 Barber-Greene Co (USA)
5B6378 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
474RL Diamond Chain Co Div of Amsted Industries Inc (USA)
RC1400RL Fmc Corp Link-Belt Div (USA)
5P1068 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
A6-87 Barber-Greene Co (USA)
140RL Whitney Chain Operation Power Transmission Div Dresser Industries Inc (USA)
MIL-STD-421 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RC1400RL Link-Belt Cranes, L.p., Lllp (USA)
SINGLE474X1RL Diamond Chain Co Div of Amsted Industries Inc (USA)
140RL PRIMARY Union Chain Div of Ust Inc (USA)
SP1068 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
12703 Minnpar, Llc Dba Minnpar (USA)
RC140RL Fmc Corp Link-Belt Div (USA)
42L7007-310 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
ASA140RL PRIMARY American National Standards Institute Incorporated Dba American National Standards Institute (USA)
140RL PRIMARY Jeffrey Co the (USA)
Related Parts
1650-00-254-4987INTERCHANGEABLE
SERVOCYLINDER
1270-3
6810-00-264-6547INTERCHANGEABLE
AMMONIUM PHOSPHATE,DIBASIC
6620-00-321-0134INTERCHANGEABLE
INSERT,FLOATING CONTROL
12703
5110-00-596-8494INTERCHANGEABLE
REAMER,HAND
4320-00-627-4731INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
012703
5930-00-636-1295INTERCHANGEABLE
SWITCH,LEVER
GS100-110-18
5330-00-641-5388INTERCHANGEABLE
GASKET
2915-00-694-9184INTERCHANGEABLE
IMPELLER
12-703
5915-00-834-8854INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
2192243
9540-00-933-9374INTERCHANGEABLE
ANGLE,STRUCTURAL
5340-00-984-5707INTERCHANGEABLE
DISK,SOLID,PLAIN
12703
5950-01-058-9289INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 3020-00-244-0306?

NSN 3020-00-244-0306 is a Link,roller Chain, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-244-0306?

NSN 3020-00-244-0306 has 22 cross-referenced part numbers: 12703 (Barber-Greene Co), C930 (Amca Intl Corp Unit Crane Div), A6-87 (Minnpar, Llc Dba Minnpar), A6-86 (Barber-Greene Co), 5B6378 (Caterpillar Inc Div Caterpillar Defense) and 17 more.

What NSN replaces 3020-00-244-0306?

There are 12 known substitutes for 3020-00-244-0306: 1650-00-254-4987, 6810-00-264-6547, 6620-00-321-0134 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 3020-00-244-0306 still in active supply?

NSN 3020-00-244-0306 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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