PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3979Puller Attachment,mechanical

Central Purchasing Inc Dba Harbor Freight Tools · NSN 5120-00-595-8424 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-595-8424 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-595-8424. Primary manufacturer part number: 3979.
Features
  • Puller Attachment,mechanical — FSC 5120
  • Inside Width: 4.250 INCHES MINIMUM IN
  • Thread Characteristics: 5/8-18 UNF-2B
  • Style Designator: BEARING EXTERNAL
  • Spread Range: 0.500 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
  • 9 verified cross-references
  • Primary manufacturer: Central Purchasing Inc Dba Harbor Freight Tools
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Puller Attachment,mechanical, cataloged under National Stock Number 5120-00-595-8424, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Central Purchasing Inc Dba Harbor Freight Tools. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-595-8424
Primary Part Number3979
Item NamePuller Attachment,mechanical
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCentral Purchasing Inc Dba Harbor Freight Tools
StatusCANCELLED
Inside Width4.250 INCHES MINIMUM IN
Thread Characteristics5/8-18 UNF-2B
Style DesignatorBEARING EXTERNAL
Spread Range0.500 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-100-3113 INTERCHANGEABLE
Cone and Rollers,tapered Roller
1630-00-255-8235D3-425MD1 INTERCHANGEABLE
Wheel,landing Gear
Goodrich Corporation
4310-00-267-51553979 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
5120-00-288-6756 INTERCHANGEABLE
Puller Attachment,mechanical
5120-00-595-8423 INTERCHANGEABLE
Puller Attachment,mechanical
2990-00-761-8957T-3979 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
4710-00-915-2554 INTERCHANGEABLE
Tube Assembly,expander
4320-00-921-6670 INTERCHANGEABLE
Coupling,pump
5365-01-200-0594397-9 INTERCHANGEABLE
Shim
Wichita Clutch Co Inc Sub of Dana Corp
6520-01-305-51257000053333 INTERCHANGEABLE
Crown,dental,temporary
Solventum Us Llc
Cross-Reference Index
Part NumberManufacturer
3979 Central Purchasing Inc Dba Harbor Freight Tools (USA)
J-22912-01 Bosch Automotive Service Solutions Inc. (USA)
951 Bosch Automotive Service Solutions Inc. (USA)
GGG-P-781 TY12SZ2 General Services Administration Federal Supply Service (USA)
1A808 W.w. Grainger, Inc. Div Government Sales Division (USA)
GGG-P-781 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
0380 1206 Blackwood J. Blackwood & Son Pty Ltd (AUS)
PD5120-00-595-8424 General Services Administration Federal Supply Service (USA)
1123 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
3110-00-100-3113INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1630-00-255-8235INTERCHANGEABLE
WHEEL,LANDING GEAR
D3-425MD1
4310-00-267-5155INTERCHANGEABLE
RING,PISTON
3979
5120-00-288-6756INTERCHANGEABLE
PULLER ATTACHMENT,MECHANICAL
5120-00-595-8423INTERCHANGEABLE
PULLER ATTACHMENT,MECHANICAL
2990-00-761-8957INTERCHANGEABLE
MUFFLER,EXHAUST
T-3979
4710-00-915-2554INTERCHANGEABLE
TUBE ASSEMBLY,EXPANDER
4320-00-921-6670INTERCHANGEABLE
COUPLING,PUMP
5365-01-200-0594INTERCHANGEABLE
SHIM
397-9
6520-01-305-5125INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
7000053333
5360-01-308-0208INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3979-00

Frequently Asked Questions

What is NSN 5120-00-595-8424?

NSN 5120-00-595-8424 is a Puller Attachment,mechanical, manufactured by Central Purchasing Inc Dba Harbor Freight Tools, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-595-8424?

NSN 5120-00-595-8424 has 9 cross-referenced part numbers: 3979 (Central Purchasing Inc Dba Harbor Freight Tools), J-22912-01 (Bosch Automotive Service Solutions Inc.), 951 (Bosch Automotive Service Solutions Inc.), GGG-P-781 TY12SZ2 (General Services Administration Federal Supply Service), 1A808 (W.w. Grainger, Inc. Div Government Sales Division) and 4 more.

What NSN replaces 5120-00-595-8424?

There are 11 known substitutes for 5120-00-595-8424: 3110-00-100-3113, 1630-00-255-8235, 4310-00-267-5155 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3979?

Key specifications for 3979: Inside Width: 4.250 INCHES MINIMUM IN; Thread Characteristics: 5/8-18 UNF-2B; Style Designator: BEARING EXTERNAL; Spread Range: 0.500 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-595-8424 still in active supply?

NSN 5120-00-595-8424 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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