PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L1-20Clamp,hub

Roller Bearing Co of America, Inc Div Pic Design · NSN 3040-00-248-4565 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-248-4565 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-248-4565. Primary manufacturer part number: L1-20.
Features
  • Clamp,hub — FSC 3040
  • Clamp Securing Hole Style: THREADED
  • Plain Hole Diameter: 0.1560 INCHES NOMINAL IN
  • Nominal Thread Size: 0.164 INCHES IN
  • Material Document and Classification: QQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment: PASSIVATE
  • Material: STEEL COMP 303
  • 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 3040-00-248-4565, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 12 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
NSN3040-00-248-4565
Primary Part NumberL1-20
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Clamp Securing Hole StyleTHREADED
Plain Hole Diameter0.1560 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES IN
Material Document and ClassificationQQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentPASSIVATE
MaterialSTEEL COMP 303
Furnished Items and Quantity1 SOCKET HEAD CAP SCREW
Style DesignatorROUND, SINGLE BOLT SECURED
Thickness0.312 INCHES NOMINAL IN
Outside Diameter1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Bore Diameter0.3750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3040-00-168-7034CG115 INTERCHANGEABLE
Clamp,hub
Secs Inc
3010-00-540-9348 INTERCHANGEABLE
Gear Assembly,speed Decreaser
6240-00-939-7859120MB INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
6350-01-372-3379L-120 INTERCHANGEABLE
Siren,electric Motor Operated
Federal Signal Corporation
6150-01-494-6299L-120 INTERCHANGEABLE
Load Bank,electrical
Cannon Load Banks, Inc. Dba Cannon Load Banks Inc
5930-01-694-8604L120 INTERCHANGEABLE
Switch,thermostatic
Sealed Unit Parts Co Inc
Cross-Reference Index
Part NumberManufacturer
L1-20 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
CG1-15 W. M. Berg, Inc. (USA)
Related Parts
3040-00-168-7034INTERCHANGEABLE
CLAMP,HUB
CG115
3010-00-540-9348INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
6240-00-939-7859INTERCHANGEABLE
LAMP,INCANDESCENT
120MB
6350-01-372-3379INTERCHANGEABLE
SIREN,ELECTRIC MOTOR OPERATED
L-120
6150-01-494-6299INTERCHANGEABLE
LOAD BANK,ELECTRICAL
L-120
5930-01-694-8604INTERCHANGEABLE
SWITCH,THERMOSTATIC
L120

Frequently Asked Questions

What is NSN 3040-00-248-4565?

NSN 3040-00-248-4565 is a Clamp,hub, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-248-4565?

NSN 3040-00-248-4565 has 2 cross-referenced part numbers: L1-20 (Roller Bearing Co of America, Inc Div Pic Design), CG1-15 (W. M. Berg, Inc.).

What NSN replaces 3040-00-248-4565?

There are 6 known substitutes for 3040-00-248-4565: 3040-00-168-7034, 3010-00-540-9348, 6240-00-939-7859 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L1-20?

Key specifications for L1-20: Clamp Securing Hole Style: THREADED; Plain Hole Diameter: 0.1560 INCHES NOMINAL IN; Nominal Thread Size: 0.164 INCHES IN; Material Document and Classification: QQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com