PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CG1-22Clamp,hub

W. M. Berg, Inc. · NSN 3040-00-035-6344 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-035-6344 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-035-6344. Primary manufacturer part number: CG1-22.
Features
  • Clamp,hub — FSC 3040
  • Clamp Securing Hole Style: THREADED
  • Style Designator: ROUND, SINGLE BOLT SECURED
  • Surface Treatment: PASSIVATE
  • Furnished Items and Quantity: 1 SOCKET HEAD CAP SCREW
  • Material: STEEL COMP 303
  • Material Document and Classification: QQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
  • Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Clamp,hub, cataloged under National Stock Number 3040-00-035-6344, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is W. M. Berg, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-035-6344
Primary Part NumberCG1-22
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerW. M. Berg, Inc.
StatusACTIVE
Clamp Securing Hole StyleTHREADED
Style DesignatorROUND, SINGLE BOLT SECURED
Surface TreatmentPASSIVATE
Furnished Items and Quantity1 SOCKET HEAD CAP SCREW
MaterialSTEEL COMP 303
Material Document and ClassificationQQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.086 INCHES IN
Thickness0.125 INCHES NOMINAL IN
Outside Diameter0.563 INCHES NOMINAL IN
Bore Diameter0.1880 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5975-00-245-1690 INTERCHANGEABLE
Conduit Outlet
5950-00-645-8268617235 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corp
5330-00-785-0693 INTERCHANGEABLE
Gasket
4930-01-593-6812 INTERCHANGEABLE
Pump and Ram Kit,puller
Cross-Reference Index
Part NumberManufacturer
CG1-22 W. M. Berg, Inc. (USA)
419339-9 Raytheon Company Dba Raytheon (USA)
C75M Designatronics Incorporated Div Sterling Instruments Div (USA)
C75M Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation (USA)
Related Parts
5975-00-245-1690INTERCHANGEABLE
CONDUIT OUTLET
5950-00-645-8268INTERCHANGEABLE
TRANSFORMER,POWER
617235
5330-00-785-0693INTERCHANGEABLE
GASKET
4930-01-593-6812INTERCHANGEABLE
PUMP AND RAM KIT,PULLER

Frequently Asked Questions

What is NSN 3040-00-035-6344?

NSN 3040-00-035-6344 is a Clamp,hub, manufactured by W. M. Berg, Inc., classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-035-6344?

NSN 3040-00-035-6344 has 4 cross-referenced part numbers: CG1-22 (W. M. Berg, Inc.), 419339-9 (Raytheon Company Dba Raytheon), C75M (Designatronics Incorporated Div Sterling Instruments Div), C75M (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation).

What NSN replaces 3040-00-035-6344?

There are 4 known substitutes for 3040-00-035-6344: 5975-00-245-1690, 5950-00-645-8268, 5330-00-785-0693 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CG1-22?

Key specifications for CG1-22: Clamp Securing Hole Style: THREADED; Style Designator: ROUND, SINGLE BOLT SECURED; Surface Treatment: PASSIVATE; Furnished Items and Quantity: 1 SOCKET HEAD CAP SCREW. 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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