PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

418Block,tackle

Crosby Group Inc the Mckissick Plant Div · NSN 3940-00-929-0037 · FSC 3940 · No Item Name Available
Verified by PartsTable
NSN 3940-00-929-0037 — this item is cataloged by the U.S. Government under National Stock Number 3940-00-929-0037. Primary manufacturer part number: 418.
Features
  • Block,tackle — FSC 3940
  • Material: STEEL OVERALL
  • Load Rating: 30000.0 POUNDS MAXIMUM LBS
  • Bearing Type: ROLLER
  • Block Type: REGULAR
  • Tackle Locking Device: NOT INCLUDED
  • Sheave Quantity: 1
  • Tackle Accommodated Type: WIRE ROPE
Applications
  • Applications requiring Steel Overall construction
General Description

The Block,tackle, cataloged under National Stock Number 3940-00-929-0037, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Crosby Group Inc the Mckissick Plant Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3940-00-929-0037
Primary Part Number418
Item NameBlock,tackle
FSC / FSG3940 / 39 — No Item Name Available
ManufacturerCrosby Group Inc the Mckissick Plant Div
StatusACTIVE
MaterialSTEEL OVERALL
Load Rating30000.0 POUNDS MAXIMUM LBS
Bearing TypeROLLER
Block TypeREGULAR
Tackle Locking DeviceNOT INCLUDED
Sheave Quantity1
Tackle Accommodated TypeWIRE ROPE
Maximum Tackle Diameter Accommodated0.750 INCHES IN
Antitoppling DeviceNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2825-00-388-69068177 INTERCHANGEABLE
Guide Assembly
Northrop Grumman Systems Corporation Div Marine Systems
2530-00-450-9276 INTERCHANGEABLE
Brake Shoe
5961-00-491-9033913020-024 INTERCHANGEABLE
Semiconductor Device,diode
Maury Microwave, Inc. Dba Maury Microwave
3010-01-122-26168177 INTERCHANGEABLE
Gearcase-Motor
Carlisle & Finch Co
6515-01-548-1737677 INTERCHANGEABLE
Belt,pelvic Compres
Orthopedic Physical Therapy Products Inc Positex Inc Div
5325-01-649-09068177 INTERCHANGEABLE
Grommet,nonmetallic
Federal Equipment Co
Cross-Reference Index
Part NumberManufacturer
8177 Aerocontrolex Group, Inc. Div Talley Actuators (USA)
418 PRIMARY Crosby Group Inc the Mckissick Plant Div (USA)
Related Parts
2825-00-388-6906INTERCHANGEABLE
GUIDE ASSEMBLY
8177
2530-00-450-9276INTERCHANGEABLE
BRAKE SHOE
5961-00-491-9033INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
913020-024
3010-01-122-2616INTERCHANGEABLE
GEARCASE-MOTOR
8177
6515-01-548-1737INTERCHANGEABLE
BELT,PELVIC COMPRES
677
5325-01-649-0906INTERCHANGEABLE
GROMMET,NONMETALLIC
8177

Frequently Asked Questions

What is NSN 3940-00-929-0037?

NSN 3940-00-929-0037 is a Block,tackle, manufactured by Crosby Group Inc the Mckissick Plant Div, classified under FSC 3940 (No Item Name Available). Status: active.

What are the part numbers for NSN 3940-00-929-0037?

NSN 3940-00-929-0037 has 2 cross-referenced part numbers: 8177 (Aerocontrolex Group, Inc. Div Talley Actuators), 418 (Crosby Group Inc the Mckissick Plant Div).

What NSN replaces 3940-00-929-0037?

There are 6 known substitutes for 3940-00-929-0037: 2825-00-388-6906, 2530-00-450-9276, 5961-00-491-9033 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 418?

Key specifications for 418: Material: STEEL OVERALL; Load Rating: 30000.0 POUNDS MAXIMUM LBS; Bearing Type: ROLLER; Block Type: REGULAR. 9 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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