PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L1-22Clamp,hub

Roller Bearing Co of America, Inc Div Pic Design · NSN 3040-00-851-4641 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-851-4641 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-851-4641. Primary manufacturer part number: L1-22.
Features
  • Clamp,hub — FSC 3040
  • Bore Diameter: 0.5625 INCHES NOMINAL IN
  • Thickness: 0.312 INCHES NOMINAL IN
  • Material: STEEL COMP 303
  • 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
  • Style Designator: ROUND, SINGLE BOLT SECURED
  • Clamp Securing Hole Style: THREADED
  • Outside Diameter: 1.250 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Clamp,hub, cataloged under National Stock Number 3040-00-851-4641, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-851-4641
Primary Part NumberL1-22
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Bore Diameter0.5625 INCHES NOMINAL IN
Thickness0.312 INCHES NOMINAL IN
MaterialSTEEL COMP 303
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
Style DesignatorROUND, SINGLE BOLT SECURED
Clamp Securing Hole StyleTHREADED
Outside Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5950-00-043-4443 INTERCHANGEABLE
Reactor
6640-00-050-4049 INTERCHANGEABLE
Beaker,laboratory
5120-00-227-8079 INTERCHANGEABLE
Extension,socket Wrench
5950-00-647-8276CG133 INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc
5950-00-656-7208 INTERCHANGEABLE
Coil,radio Frequency
5120-01-335-1054 INTERCHANGEABLE
Extension,socket Wrench
4240-01-470-3882 INTERCHANGEABLE
Breathing Tube,head
Cross-Reference Index
Part NumberManufacturer
2538138 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
CG1-33 W. M. Berg, Inc. (USA)
10180356-2 Us Army Aviation and Missile Command (USA)
L1-22 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
007262 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
DL122 Allied Devices Corp Dba Absolute Precision Co (USA)
Related Parts
5950-00-043-4443INTERCHANGEABLE
REACTOR
6640-00-050-4049INTERCHANGEABLE
BEAKER,LABORATORY
5120-00-227-8079INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5950-00-647-8276INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
CG133
5950-00-656-7208INTERCHANGEABLE
COIL,RADIO FREQUENCY
5120-01-335-1054INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
4240-01-470-3882INTERCHANGEABLE
BREATHING TUBE,HEAD

Frequently Asked Questions

What is NSN 3040-00-851-4641?

NSN 3040-00-851-4641 is a Clamp,hub, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-851-4641?

NSN 3040-00-851-4641 has 6 cross-referenced part numbers: 2538138 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), CG1-33 (W. M. Berg, Inc.), 10180356-2 (Us Army Aviation and Missile Command), L1-22 (Roller Bearing Co of America, Inc Div Pic Design), 007262 (Designatronics Incorporated Div Sterling Instruments Div) and 1 more.

What NSN replaces 3040-00-851-4641?

There are 7 known substitutes for 3040-00-851-4641: 5950-00-043-4443, 6640-00-050-4049, 5120-00-227-8079 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L1-22?

Key specifications for L1-22: Bore Diameter: 0.5625 INCHES NOMINAL IN; Thickness: 0.312 INCHES NOMINAL IN; Material: STEEL COMP 303; 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. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-851-4641 still in active supply?

NSN 3040-00-851-4641 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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