PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K1-1Hub,body

Roller Bearing Co of America, Inc Div Pic Design · NSN 3040-00-757-9290 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-757-9290 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-757-9290. Primary manufacturer part number: K1-1.
Features
  • Hub,body — FSC 3040
  • Surface Treatment: PASSIVATE
  • Shoulder Width: 0.022 INCHES NOMINAL IN
  • Shoulder Outside Diameter: 0.438 INCHES NOMINAL IN
  • Material: STEEL
  • First End Hub Outside Diameter: 0.3750 INCHES MINIMUM AND 0.3753 INCHES MAXIMUM IN
  • Hub Inside Diameter: 0.125 INCHES NOMINAL IN
  • Style Designator: SINGLE HUB W/ SECURING HOLE(S)
Applications
  • Applications requiring Steel construction
General Description

The Hub,body, cataloged under National Stock Number 3040-00-757-9290, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3040-00-757-9290
Primary Part NumberK1-1
Item NameHub,body
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Surface TreatmentPASSIVATE
Shoulder Width0.022 INCHES NOMINAL IN
Shoulder Outside Diameter0.438 INCHES NOMINAL IN
MaterialSTEEL
First End Hub Outside Diameter0.3750 INCHES MINIMUM AND 0.3753 INCHES MAXIMUM IN
Hub Inside Diameter0.125 INCHES NOMINAL IN
Style DesignatorSINGLE HUB W/ SECURING HOLE(S)
Distance From First End Hub to Shoulder0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-284-5995 INTERCHANGEABLE
Semiconductor Device,diode
5310-00-540-7666R406PC14 INTERCHANGEABLE
Washer,flat
Circor Naval Solutions Llc Dba Warren Pumps
4730-00-826-4278A8073 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Mueller Brass Co.
5120-01-197-2908 INTERCHANGEABLE
Screwdriver,cross Tip
5130-01-300-4996K-11 INTERCHANGEABLE
Cutter,fabric,portable,electric
Hawkeye Enterprises Inc
5130-01-344-2947K11 INTERCHANGEABLE
Wheel,abrasive
Sioux Tools Inc
Cross-Reference Index
Part NumberManufacturer
K1-1 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
5961-00-284-5995INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5310-00-540-7666INTERCHANGEABLE
WASHER,FLAT
R406PC14
4730-00-826-4278INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
A8073
5120-01-197-2908INTERCHANGEABLE
SCREWDRIVER,CROSS TIP
5130-01-300-4996INTERCHANGEABLE
CUTTER,FABRIC,PORTABLE,ELECTRIC
K-11
5130-01-344-2947INTERCHANGEABLE
WHEEL,ABRASIVE
K11

Frequently Asked Questions

What is NSN 3040-00-757-9290?

NSN 3040-00-757-9290 is a Hub,body, 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 3040-00-757-9290?

NSN 3040-00-757-9290 has 1 cross-referenced part number: K1-1 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 3040-00-757-9290?

There are 6 known substitutes for 3040-00-757-9290: 5961-00-284-5995, 5310-00-540-7666, 4730-00-826-4278 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K1-1?

Key specifications for K1-1: Surface Treatment: PASSIVATE; Shoulder Width: 0.022 INCHES NOMINAL IN; Shoulder Outside Diameter: 0.438 INCHES NOMINAL IN; Material: STEEL. 9 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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