PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4090Nut,plain,knurled

Roller Bearing Co of America, Inc Div Pic Design · NSN 5310-00-818-4091 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-818-4091 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-818-4091. Primary manufacturer part number: 4090.
Features
  • Nut,plain,knurled — FSC 5310
  • Thread Class: 2B
  • Small End Diameter: 0.500 INCHES NOMINAL IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 20
  • Nominal Thread Size: 0.250 INCHES IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Nut Style: KNURLED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nut,plain,knurled, cataloged under National Stock Number 5310-00-818-4091, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives 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 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-818-4091
Primary Part Number4090
Item NameNut,plain,knurled
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Thread Class2B
Small End Diameter0.500 INCHES NOMINAL IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch20
Nominal Thread Size0.250 INCHES IN
MaterialSTEEL CORROSION RESISTING OVERALL
Nut StyleKNURLED
Small End Length0.250 INCHES NOMINAL IN
Knurl Width0.250 INCHES NOMINAL IN
Nut Diameter0.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nut Thickness0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-082-46193LT409037COH INTERCHANGEABLE
Terminal,lug
Brainin-Advance Industries, Llc
3110-00-158-6273A1837-1 INTERCHANGEABLE
Bearing,ball,thrust
Abc Acquisition Company Dba Aetna Bearing Company
2910-00-383-9261 INTERCHANGEABLE
Pump,fuel,cam Actuated
5130-00-564-14924090 KIT INTERCHANGEABLE
Installation Tool,fastener,pneum
Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc
5355-00-964-40394090 INTERCHANGEABLE
Pointer,dial
Wakmann Watch Company Inc
1660-01-091-8083 INTERCHANGEABLE
Connector,oxygen Hose to Regulat
4320-01-230-89964090 INTERCHANGEABLE
Deflector,dirt and Liquid
Weil Pump Co Inc
6530-01-300-65394090 INTERCHANGEABLE
Specimen Kit,urine
Sage Products, Llc Dba Stryker Sales, Llc
5330-01-335-95364090 INTERCHANGEABLE
Gasket
Saylor-Beall Manufacturing Company
7025-01-356-78024090 INTERCHANGEABLE
Printer,automatic Data Processin
Xerox Corporation
Cross-Reference Index
Part NumberManufacturer
JLS-A1-21 Nordex Inc (USA)
JLS-A1-21 Nordex, Incorporated Dba Nordex Inc (USA)
K71G0002 The Boeing Company Div Defense (USA)
40D90 Allied Devices Corp Dba Absolute Precision Co (USA)
4090 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
5940-00-082-4619INTERCHANGEABLE
TERMINAL,LUG
3LT409037COH
3110-00-158-6273INTERCHANGEABLE
BEARING,BALL,THRUST
A1837-1
2910-00-383-9261INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
5130-00-564-1492INTERCHANGEABLE
INSTALLATION TOOL,FASTENER,PNEUM
4090 KIT
5355-00-964-4039INTERCHANGEABLE
POINTER,DIAL
4090
1660-01-091-8083INTERCHANGEABLE
CONNECTOR,OXYGEN HOSE TO REGULAT
4320-01-230-8996INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
4090
6530-01-300-6539INTERCHANGEABLE
SPECIMEN KIT,URINE
4090
5330-01-335-9536INTERCHANGEABLE
GASKET
4090
7025-01-356-7802INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
4090
4940-01-478-0015INTERCHANGEABLE
SHOP EQUIPMENT,UTILITY
4090
6515-01-698-6634INTERCHANGEABLE
CABLE,PATIENT,OXIMETER
4090

Frequently Asked Questions

What is NSN 5310-00-818-4091?

NSN 5310-00-818-4091 is a Nut,plain,knurled, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-818-4091?

NSN 5310-00-818-4091 has 5 cross-referenced part numbers: JLS-A1-21 (Nordex Inc), JLS-A1-21 (Nordex, Incorporated Dba Nordex Inc), K71G0002 (The Boeing Company Div Defense), 40D90 (Allied Devices Corp Dba Absolute Precision Co), 4090 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 5310-00-818-4091?

There are 12 known substitutes for 5310-00-818-4091: 5940-00-082-4619, 3110-00-158-6273, 2910-00-383-9261 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4090?

Key specifications for 4090: Thread Class: 2B; Small End Diameter: 0.500 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 20. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-818-4091 still in active supply?

NSN 5310-00-818-4091 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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