PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

418-3Block,tackle

The Crosby Group Llc Dba the Crosby Group · NSN 3940-00-562-7425 · FSC 3940 · No Item Name Available
Verified by PartsTable
NSN 3940-00-562-7425 — this item is cataloged by the U.S. Government under National Stock Number 3940-00-562-7425. Primary manufacturer part number: 418-3.
Features
  • Block,tackle — FSC 3940
  • Locking Style: SAFETY LOCKING
  • Material: STEEL OVERALL
  • Bearing Type: ROLLER
  • Load Rating: 6000.0 POUNDS MAXIMUM LBS
  • Sheave Quantity: 1
  • Tackle Locking Device: NOT INCLUDED
  • Sheave Bearing Lubrication Method: SELF-LUBRICATED
Applications
  • Applications requiring Steel Overall construction
General Description

The Block,tackle, cataloged under National Stock Number 3940-00-562-7425, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is The Crosby Group Llc Dba the Crosby Group. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3940-00-562-7425
Primary Part Number418-3
Item NameBlock,tackle
FSC / FSG3940 / 39 — No Item Name Available
ManufacturerThe Crosby Group Llc Dba the Crosby Group
StatusACTIVE
Locking StyleSAFETY LOCKING
MaterialSTEEL OVERALL
Bearing TypeROLLER
Load Rating6000.0 POUNDS MAXIMUM LBS
Sheave Quantity1
Tackle Locking DeviceNOT INCLUDED
Sheave Bearing Lubrication MethodSELF-LUBRICATED
Block TypeSNATCH
Tackle Accommodated TypeWIRE ROPE
Maximum Tackle Diameter Accommodated0.375 INCHES IN
Antitoppling DeviceNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-198-2804093730 INTERCHANGEABLE
Roller,bearing
General Motors Corp
5905-00-258-01172A219TVIT750HMT25T25T25 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ward Leonard Ct Llc
4730-00-263-6472 INTERCHANGEABLE
Tee,tube
5330-00-297-0625YB287-1020P5 INTERCHANGEABLE
Seal,plain
Raytheon Company Dba Raytheon Co
5330-01-205-80244183 INTERCHANGEABLE
Gasket
Parker-Hannifin Corp Div Sporlan Division
Cross-Reference Index
Part NumberManufacturer
733-9750 Apex Tool Group (USA)
418-3 PRIMARY The Crosby Group Llc Dba the Crosby Group (USA)
733-9750 Apex Tool Group, Llc (USA)
Related Parts
3110-00-198-2804INTERCHANGEABLE
ROLLER,BEARING
093730
5905-00-258-0117INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2A219TVIT750HMT25T25T25
4730-00-263-6472INTERCHANGEABLE
TEE,TUBE
5330-00-297-0625INTERCHANGEABLE
SEAL,PLAIN
YB287-1020P5
5330-01-205-8024INTERCHANGEABLE
GASKET
4183

Frequently Asked Questions

What is NSN 3940-00-562-7425?

NSN 3940-00-562-7425 is a Block,tackle, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 3940 (No Item Name Available). Status: active.

What are the part numbers for NSN 3940-00-562-7425?

NSN 3940-00-562-7425 has 3 cross-referenced part numbers: 733-9750 (Apex Tool Group), 418-3 (The Crosby Group Llc Dba the Crosby Group), 733-9750 (Apex Tool Group, Llc).

What NSN replaces 3940-00-562-7425?

There are 5 known substitutes for 3940-00-562-7425: 3110-00-198-2804, 5905-00-258-0117, 4730-00-263-6472 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 418-3?

Key specifications for 418-3: Locking Style: SAFETY LOCKING; Material: STEEL OVERALL; Bearing Type: ROLLER; Load Rating: 6000.0 POUNDS MAXIMUM LBS. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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