PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CG155AClamp,hub

Secs Inc · NSN 3040-00-946-2952 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-946-2952 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-946-2952. Primary manufacturer part number: CG155A.
Features
  • Clamp,hub — FSC 3040
  • Clamp Securing Hole Style: THREADED
  • Outside Diameter: 0.500 INCHES NOMINAL IN
  • Style Designator: ROUND, SINGLE BOLT SECURED
  • Material: STEEL COMP 303
  • Surface Treatment: PASSIVATE
  • Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE
  • Furnished Items and Quantity: 1 SOCKET HEAD CAP SCREW
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Clamp,hub, cataloged under National Stock Number 3040-00-946-2952, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Secs Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-946-2952
Primary Part NumberCG155A
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerSecs Inc
StatusCANCELLED
Clamp Securing Hole StyleTHREADED
Outside Diameter0.500 INCHES NOMINAL IN
Style DesignatorROUND, SINGLE BOLT SECURED
MaterialSTEEL COMP 303
Surface TreatmentPASSIVATE
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE
Furnished Items and Quantity1 SOCKET HEAD CAP SCREW
Nominal Thread Size0.073 INCHES IN
Bore Diameter0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
Thickness0.120 INCHES NOMINAL IN
Screw Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3030-00-008-4860 INTERCHANGEABLE
Belt,v
5975-00-245-1693 INTERCHANGEABLE
Conduit Outlet
3040-00-413-0444S3502Y-C057 INTERCHANGEABLE
Clamp,hub
Designatronics Inc Perfect Gear and Instrument Div
5340-01-665-4536 INTERCHANGEABLE
Cover,access
Cross-Reference Index
Part NumberManufacturer
YC15M1S Designatronics Inc Perfect Gear and Instrument Div (USA)
911480-7 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
C57 Designatronics Incorporated Div Sterling Instruments Div (USA)
45C804-001 Ail Systems Inc Sub of Eaton Corp (USA)
1079084 Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div (USA)
63C806-001 Ail Systems Inc Sub of Eaton Corp (USA)
63680C-001 Ail Systems Inc Sub of Eaton Corp (USA)
2805513P2 Naval Sea Systems Command (USA)
CG155A PRIMARY Secs Inc (USA)
Related Parts
3030-00-008-4860INTERCHANGEABLE
BELT,V
5975-00-245-1693INTERCHANGEABLE
CONDUIT OUTLET
3040-00-413-0444INTERCHANGEABLE
CLAMP,HUB
S3502Y-C057
5340-01-665-4536INTERCHANGEABLE
COVER,ACCESS

Frequently Asked Questions

What is NSN 3040-00-946-2952?

NSN 3040-00-946-2952 is a Clamp,hub, manufactured by Secs Inc, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-946-2952?

NSN 3040-00-946-2952 has 9 cross-referenced part numbers: YC15M1S (Designatronics Inc Perfect Gear and Instrument Div), 911480-7 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), C57 (Designatronics Incorporated Div Sterling Instruments Div), 45C804-001 (Ail Systems Inc Sub of Eaton Corp), 1079084 (Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div) and 4 more.

What NSN replaces 3040-00-946-2952?

There are 4 known substitutes for 3040-00-946-2952: 3030-00-008-4860, 5975-00-245-1693, 3040-00-413-0444 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CG155A?

Key specifications for CG155A: Clamp Securing Hole Style: THREADED; Outside Diameter: 0.500 INCHES NOMINAL IN; Style Designator: ROUND, SINGLE BOLT SECURED; Material: STEEL COMP 303. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-946-2952 still in active supply?

NSN 3040-00-946-2952 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.
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