PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8B7561Step Plate,mechanical Puller

Caterpillar Inc Div Caterpillar Defense · NSN 5120-00-378-4254 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-378-4254 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-378-4254. Primary manufacturer part number: 8B7561.
Features
  • Step Plate,mechanical Puller — FSC 5120
  • General Characteristics Item Description: STEEL; 1-3/8 IN. SMALL DIA; 1-3/4 IN. LARGE DIA IN
  • 6 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Step Plate,mechanical Puller, cataloged under National Stock Number 5120-00-378-4254, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-378-4254
Primary Part Number8B7561
Item NameStep Plate,mechanical Puller
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
General Characteristics Item DescriptionSTEEL; 1-3/8 IN. SMALL DIA; 1-3/4 IN. LARGE DIA IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5998-00-105-0872 INTERCHANGEABLE
Circuit Card Assembly
8040-00-142-9913 INTERCHANGEABLE
Adhesive
5935-00-185-5136 INTERCHANGEABLE
Connector,plug,electrical
5325-00-202-1500BACG20C24 INTERCHANGEABLE
Grommet,nonmetallic
The Boeing Company Div Defense
5310-00-218-4924 INTERCHANGEABLE
Washer,key
6145-00-275-0760MW035CSX000020UNC INTERCHANGEABLE
Magnet Wire
National Electrical Mfrs Assn Dba Nema
3110-00-293-93020042980-3 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
2815-00-353-9412 INTERCHANGEABLE
Valve,poppet,engine
5330-00-366-6270QB75 INTERCHANGEABLE
Gasket
Wisconsin Motors, Llc
5915-00-387-226547618 INTERCHANGEABLE
Network,pulse Forming
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
8B7561 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
630-6 Bosch Automotive Service Solutions Inc. (USA)
8062 Bosch Automotive Service Solutions Inc. (USA)
11634802-2 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
GGG-P-781 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-P-781 TY13CL4SZ6 General Services Administration Federal Supply Service (USA)
Related Parts
5998-00-105-0872INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
8040-00-142-9913INTERCHANGEABLE
ADHESIVE
5935-00-185-5136INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5325-00-202-1500INTERCHANGEABLE
GROMMET,NONMETALLIC
BACG20C24
5310-00-218-4924INTERCHANGEABLE
WASHER,KEY
6145-00-275-0760INTERCHANGEABLE
MAGNET WIRE
MW035CSX000020UNC
3110-00-293-9302INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042980-3
2815-00-353-9412INTERCHANGEABLE
VALVE,POPPET,ENGINE
5330-00-366-6270INTERCHANGEABLE
GASKET
QB75
5915-00-387-2265INTERCHANGEABLE
NETWORK,PULSE FORMING
47618
2920-00-428-2269INTERCHANGEABLE
CABLE SET,ELECTRICAL
XH5174
5950-00-519-9703INTERCHANGEABLE
COIL,RADIO FREQUENCY
6306

Frequently Asked Questions

What is NSN 5120-00-378-4254?

NSN 5120-00-378-4254 is a Step Plate,mechanical Puller, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-378-4254?

NSN 5120-00-378-4254 has 6 cross-referenced part numbers: 8B7561 (Caterpillar Inc Div Caterpillar Defense), 630-6 (Bosch Automotive Service Solutions Inc.), 8062 (Bosch Automotive Service Solutions Inc.), 11634802-2 (U S Army Tank Automotive Command Amsta-Im-Mm), GGG-P-781 (Federal Specifications Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 5120-00-378-4254?

There are 12 known substitutes for 5120-00-378-4254: 5998-00-105-0872, 8040-00-142-9913, 5935-00-185-5136 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8B7561?

Key specifications for 8B7561: General Characteristics Item Description: STEEL; 1-3/8 IN. SMALL DIA; 1-3/4 IN. LARGE DIA IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-378-4254 still in active supply?

NSN 5120-00-378-4254 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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