PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7268Block,tackle

General Machine Products Company, Inc. Dba Gmp · NSN 3940-01-342-6422 · FSC 3940 · No Item Name Available
Verified by PartsTable
NSN 3940-01-342-6422 — this item is cataloged by the U.S. Government under National Stock Number 3940-01-342-6422. Primary manufacturer part number: 7268.
Features
  • Block,tackle — FSC 3940
  • Material: ALUMINUM ALLOY SHEAVE
  • Maximum Tackle Diameter Accommodated: 2.750 INCHES IN
  • Tackle Locking Device: INCLUDED
  • 2 verified cross-references
  • Primary manufacturer: General Machine Products Company, Inc. Dba Gmp
Applications
  • Applications requiring Aluminum Alloy Sheave construction
General Description

The Block,tackle, cataloged under National Stock Number 3940-01-342-6422, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is General Machine Products Company, Inc. Dba Gmp. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3940-01-342-6422
Primary Part Number7268
Item NameBlock,tackle
FSC / FSG3940 / 39 — No Item Name Available
ManufacturerGeneral Machine Products Company, Inc. Dba Gmp
StatusACTIVE
MaterialALUMINUM ALLOY SHEAVE
Maximum Tackle Diameter Accommodated2.750 INCHES IN
Tackle Locking DeviceINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5136-00-197-95627268 INTERCHANGEABLE
Die,rethreading
Stanley Tools Div of Stanley Works
6140-00-199-4991SAE-J537-8D-900 INTERCHANGEABLE
Battery,storage
Sae International Dba Sae International
4030-00-255-726852C4032-1 INTERCHANGEABLE
Grab Link
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
5310-00-323-30845806-172-2 INTERCHANGEABLE
Washer,spring Tension
Seastrom Manufacturing Co Inc
5930-00-469-58197870-1514 INTERCHANGEABLE
Switch,push
Iet Labs Inc
2520-00-768-0743291 INTERCHANGEABLE
Disk,clutch,vehicular
Cmbf Products Inc
5970-00-962-33357100010719 INTERCHANGEABLE
Insulating Varnish,electrical
3m Company
5330-00-980-5402LPD10110 INTERCHANGEABLE
Seal,plain
Johns Manville Intl
6240-01-059-1710CM7-7268 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
1680-01-073-219172680 INTERCHANGEABLE
Torque Motor,servovalve Assembly
Parker-Hannifin Corporation
Cross-Reference Index
Part NumberManufacturer
7268 General Machine Products Company, Inc. Dba Gmp (USA)
72680 General Machine Products Company, Inc. Dba Gmp (USA)
Related Parts
5136-00-197-9562INTERCHANGEABLE
DIE,RETHREADING
7268
6140-00-199-4991INTERCHANGEABLE
BATTERY,STORAGE
SAE-J537-8D-900
4030-00-255-7268INTERCHANGEABLE
GRAB LINK
52C4032-1
5310-00-323-3084INTERCHANGEABLE
WASHER,SPRING TENSION
5806-172-2
5930-00-469-5819INTERCHANGEABLE
SWITCH,PUSH
7870-1514
2520-00-768-0743INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
291
5970-00-962-3335INTERCHANGEABLE
INSULATING VARNISH,ELECTRICAL
7100010719
5330-00-980-5402INTERCHANGEABLE
SEAL,PLAIN
LPD10110
6240-01-059-1710INTERCHANGEABLE
LAMP,INCANDESCENT
CM7-7268
1680-01-073-2191INTERCHANGEABLE
TORQUE MOTOR,SERVOVALVE ASSEMBLY
72680
5998-01-186-4475INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
7268
5315-01-307-4173INTERCHANGEABLE
PIN,RETAINING
7268000

Frequently Asked Questions

What is NSN 3940-01-342-6422?

NSN 3940-01-342-6422 is a Block,tackle, manufactured by General Machine Products Company, Inc. Dba Gmp, classified under FSC 3940 (No Item Name Available). Status: active.

What are the part numbers for NSN 3940-01-342-6422?

NSN 3940-01-342-6422 has 2 cross-referenced part numbers: 7268 (General Machine Products Company, Inc. Dba Gmp), 72680 (General Machine Products Company, Inc. Dba Gmp).

What NSN replaces 3940-01-342-6422?

There are 12 known substitutes for 3940-01-342-6422: 5136-00-197-9562, 6140-00-199-4991, 4030-00-255-7268 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7268?

Key specifications for 7268: Material: ALUMINUM ALLOY SHEAVE; Maximum Tackle Diameter Accommodated: 2.750 INCHES IN; Tackle Locking Device: INCLUDED. 3 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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