PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8B7555Adapter,mechanical Puller

Caterpillar Inc Div Caterpillar Defense · NSN 5120-00-357-5181 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-357-5181 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-357-5181. Primary manufacturer part number: 8B7555.
Features
  • Adapter,mechanical Puller — FSC 5120
  • Female End Thread Class: 2B
  • Female End Thread Size and Series/type Designator: 0.750-16 UNIFIED NATIONAL COARSE (UNC)
  • Style Designator: FEMALE
  • 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 Adapter,mechanical Puller, cataloged under National Stock Number 5120-00-357-5181, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN5120-00-357-5181
Primary Part Number8B7555
Item NameAdapter,mechanical Puller
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Female End Thread Class2B
Female End Thread Size and Series/type Designator0.750-16 UNIFIED NATIONAL COARSE (UNC)
Style DesignatorFEMALE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-003-5491324983 INTERCHANGEABLE
Retainer,packing
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
6135-00-120-1013 INTERCHANGEABLE
Battery,nonrechargeable
3110-00-156-3390280026-115 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-169-9449984644-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
3455-00-189-91651-1561-1500 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
7710-00-221-1855 INTERCHANGEABLE
Tom-Tom
4720-00-413-38388038 INTERCHANGEABLE
Hose Assembly
Unimasco Inc
4540-00-431-6535 INTERCHANGEABLE
Damper Regulator Se
5930-00-455-170080-38 INTERCHANGEABLE
Switch,thermostatic
Buhl Industries Inc
5977-00-539-7721 INTERCHANGEABLE
Brush,electrical Contact
Cross-Reference Index
Part NumberManufacturer
924 Bosch Automotive Service Solutions Inc. (USA)
8038 Bosch Automotive Service Solutions Inc. (USA)
GGG-P-781 TY13CL2STASZ3 General Services Administration Federal Supply Service (USA)
PT924 Bosch Automotive Service Solutions Inc. (USA)
8B7555 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
GGG-P-781 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5330-00-003-5491INTERCHANGEABLE
RETAINER,PACKING
324983
6135-00-120-1013INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
3110-00-156-3390INTERCHANGEABLE
BEARING,BALL,ANNULAR
280026-115
5950-00-169-9449INTERCHANGEABLE
TRANSFORMER,POWER
984644-1
3455-00-189-9165INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-1500
7710-00-221-1855INTERCHANGEABLE
TOM-TOM
4720-00-413-3838INTERCHANGEABLE
HOSE ASSEMBLY
8038
4540-00-431-6535INTERCHANGEABLE
DAMPER REGULATOR SE
5930-00-455-1700INTERCHANGEABLE
SWITCH,THERMOSTATIC
80-38
5977-00-539-7721INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5940-00-577-0742INTERCHANGEABLE
TERMINAL,LUG
5960-01-214-0951INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 5120-00-357-5181?

NSN 5120-00-357-5181 is a Adapter,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 5120-00-357-5181?

NSN 5120-00-357-5181 has 6 cross-referenced part numbers: 924 (Bosch Automotive Service Solutions Inc.), 8038 (Bosch Automotive Service Solutions Inc.), GGG-P-781 TY13CL2STASZ3 (General Services Administration Federal Supply Service), PT924 (Bosch Automotive Service Solutions Inc.), 8B7555 (Caterpillar Inc Div Caterpillar Defense) and 1 more.

What NSN replaces 5120-00-357-5181?

There are 12 known substitutes for 5120-00-357-5181: 5330-00-003-5491, 6135-00-120-1013, 3110-00-156-3390 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8B7555?

Key specifications for 8B7555: Female End Thread Class: 2B; Female End Thread Size and Series/type Designator: 0.750-16 UNIFIED NATIONAL COARSE (UNC); Style Designator: FEMALE. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-357-5181 still in active supply?

NSN 5120-00-357-5181 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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