PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3042K-10 INCHBlock,tackle

Apex Tool Group · NSN 3940-00-059-5995 · FSC 3940 · No Item Name Available
Verified by PartsTable
NSN 3940-00-059-5995 — this item is cataloged by the U.S. Government under National Stock Number 3940-00-059-5995. Primary manufacturer part number: 3042K-10 INCH.
Features
  • Block,tackle — FSC 3940
  • Sheave Outside Diameter: 6.250 INCHES NOMINAL IN
  • Becket Type: THIMBLE
  • Material: IRON AND STEEL SHEAVE
  • Material: COPPER ALLOY BEARING
  • Unable to Decode: UNABLE TO DECODE
  • Becket Quantity: 1
  • Nondefinitive Spec/std Data: 2 TYPE
Applications
  • Applications requiring Iron and Steel Sheave construction
General Description

The Block,tackle, cataloged under National Stock Number 3940-00-059-5995, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Apex Tool Group. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3940-00-059-5995
Primary Part Number3042K-10 INCH
Item NameBlock,tackle
FSC / FSG3940 / 39 — No Item Name Available
ManufacturerApex Tool Group
StatusCANCELLED
Sheave Outside Diameter6.250 INCHES NOMINAL IN
Becket TypeTHIMBLE
MaterialIRON AND STEEL SHEAVE
MaterialCOPPER ALLOY BEARING
Unable to DecodeUNABLE TO DECODE
Becket Quantity1
Nondefinitive Spec/std Data2 TYPE
Maximum Tackle Diameter Accommodated1.250 INCHES IN
Style DesignatorROUND PATTERN
Tackle Locking DeviceNOT INCLUDED
Tackle Accommodated TypeFIBROUS ROPE
Antitoppling DeviceNOT INCLUDED
Sheave Quantity2
Attachment StyleCHAIN SHACKLE
Sheave Bearing Lubrication MethodSELF-LUBRICATED
Center Pin Diameter0.750 INCHES NOMINAL IN
Bearing TypePLAIN
MaterialIRON AND STEEL SHELL
Shell Length10.000 INCHES NOMINAL IN
Load Rating7700.0 POUNDS MAXIMUM LBS
MaterialSTEEL CENTER PIN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3940-00-059-5996 INTERCHANGEABLE
Block,tackle
3940-00-068-9173 INTERCHANGEABLE
Block,tackle
3940-00-072-0331 INTERCHANGEABLE
Block,tackle
3940-00-879-2128 INTERCHANGEABLE
Block,tackle
3940-00-926-3713 INTERCHANGEABLE
Block,tackle
3940-00-926-3716 INTERCHANGEABLE
Block,tackle
3940-00-926-3719 INTERCHANGEABLE
Block,tackle
3940-00-950-2955 INTERCHANGEABLE
Block,tackle
Cross-Reference Index
Part NumberManufacturer
3042K-10 INCH Apex Tool Group (USA)
GGGB490 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA59808 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59808-72C5 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3940-00-059-5996INTERCHANGEABLE
BLOCK,TACKLE
3940-00-068-9173INTERCHANGEABLE
BLOCK,TACKLE
3940-00-072-0331INTERCHANGEABLE
BLOCK,TACKLE
3940-00-879-2128INTERCHANGEABLE
BLOCK,TACKLE
3940-00-926-3713INTERCHANGEABLE
BLOCK,TACKLE
3940-00-926-3716INTERCHANGEABLE
BLOCK,TACKLE
3940-00-926-3719INTERCHANGEABLE
BLOCK,TACKLE
3940-00-950-2955INTERCHANGEABLE
BLOCK,TACKLE

Frequently Asked Questions

What is NSN 3940-00-059-5995?

NSN 3940-00-059-5995 is a Block,tackle, manufactured by Apex Tool Group, classified under FSC 3940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3940-00-059-5995?

NSN 3940-00-059-5995 has 4 cross-referenced part numbers: 3042K-10 INCH (Apex Tool Group), GGGB490 (Federal Specifications Promulgated by General Services Administration Washington DC), AA59808 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59808-72C5 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 3940-00-059-5995?

There are 8 known substitutes for 3940-00-059-5995: 3940-00-059-5996, 3940-00-068-9173, 3940-00-072-0331 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3042K-10 INCH?

Key specifications for 3042K-10 INCH: Sheave Outside Diameter: 6.250 INCHES NOMINAL IN; Becket Type: THIMBLE; Material: IRON AND STEEL SHEAVE; Material: COPPER ALLOY BEARING. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3940-00-059-5995 still in active supply?

NSN 3940-00-059-5995 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.
PartsTable Design LLC · partstable.com