PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCM187Clamp,hub

Southern Gear & Machine Inc · NSN 3040-01-312-5314 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-312-5314 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-312-5314. Primary manufacturer part number: SCM187.
Features
  • Clamp,hub — FSC 3040
  • Outside Diameter: 0.562 INCHES NOMINAL IN
  • Material: STEEL COMP 303
  • Style Designator: ROUND, SINGLE BOLT SECURED
  • Material Document and Classification: QQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
  • Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thickness: 0.156 INCHES NOMINAL IN
  • Bore Diameter: 0.1880 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Clamp,hub, cataloged under National Stock Number 3040-01-312-5314, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Southern Gear & Machine Inc. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-312-5314
Primary Part NumberSCM187
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerSouthern Gear & Machine Inc
StatusACTIVE
Outside Diameter0.562 INCHES NOMINAL IN
MaterialSTEEL COMP 303
Style DesignatorROUND, SINGLE BOLT SECURED
Material Document and ClassificationQQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thickness0.156 INCHES NOMINAL IN
Bore Diameter0.1880 INCHES NOMINAL IN
Clamp Securing Hole StyleTHREADED
Nominal Thread Size0.560 INCHES IN
Plain Hole Diameter0.1090 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3040-00-715-7033968-7C INTERCHANGEABLE
Clamp,hub
Austin Instrument Inc
Cross-Reference Index
Part NumberManufacturer
605-041-001 Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA)
SCM187 PRIMARY Southern Gear & Machine Inc (USA)
605-041-001 Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA)
Related Parts
3040-00-715-7033INTERCHANGEABLE
CLAMP,HUB
968-7C

Frequently Asked Questions

What is NSN 3040-01-312-5314?

NSN 3040-01-312-5314 is a Clamp,hub, manufactured by Southern Gear & Machine Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-312-5314?

NSN 3040-01-312-5314 has 3 cross-referenced part numbers: 605-041-001 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations), SCM187 (Southern Gear & Machine Inc), 605-041-001 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division).

What NSN replaces 3040-01-312-5314?

There is 1 known substitute for 3040-01-312-5314: 3040-00-715-7033. Verify interchangeability with system specifications before substitution.

What are the specifications of SCM187?

Key specifications for SCM187: Outside Diameter: 0.562 INCHES NOMINAL IN; Material: STEEL COMP 303; Style Designator: ROUND, SINGLE BOLT SECURED; Material Document and Classification: QQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE. 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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