PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4081Nut,plain,knurled

Roller Bearing Co of America, Inc Div Pic Design · NSN 5310-00-832-6186 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-832-6186 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-832-6186. Primary manufacturer part number: 4081.
Features
  • Nut,plain,knurled — FSC 5310
  • Knurl Width: 0.125 INCHES NOMINAL IN
  • Nut Style: KNURLED
  • Nut Diameter: 0.750 INCHES NOMINAL IN
  • Nominal Thread Size: 0.164 INCHES IN
  • Counterbore Diameter: 0.180 INCHES NOMINAL NUT IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Small End Length: 0.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Nut,plain,knurled, cataloged under National Stock Number 5310-00-832-6186, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-832-6186
Primary Part Number4081
Item NameNut,plain,knurled
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Knurl Width0.125 INCHES NOMINAL IN
Nut StyleKNURLED
Nut Diameter0.750 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES IN
Counterbore Diameter0.180 INCHES NOMINAL NUT IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Small End Length0.500 INCHES NOMINAL IN
Small End Diameter0.312 INCHES NOMINAL IN
Nut Thickness0.625 INCHES NOMINAL IN
Thread Quantity Per Inch32
Thread Class2B
Thread DirectionRIGHT-HAND
MaterialSTEEL COMP 303 OVERALL
Nut Counterbore Depth0.250 INCHES NOMINAL NUT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6515-00-128-2150 INTERCHANGEABLE
Infusor,pressure,blood-Intraveno
6645-00-225-27294081 INTERCHANGEABLE
Wheel,driving
Wakmann Watch Company Inc
6515-00-442-4821109-09107 INTERCHANGEABLE
Plug,ear
Tasco Corporation
4730-00-469-1781 INTERCHANGEABLE
Adapter,straight,pipe to Tube
6520-00-524-039211908 INTERCHANGEABLE
Former,dental Casting Machine Cr
Whip-Mix Corp
5935-00-760-201840-5381PTY26 INTERCHANGEABLE
Insert,electrical Connector
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5935-00-760-202040-5381STY26 INTERCHANGEABLE
Insert,electrical Connector
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
6210-00-782-75944081 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
2805-00-908-69183788494 INTERCHANGEABLE
Push Rod,engine Poppet Valve
General Motors Llc Dba General Motors Llc
5962-01-086-7029 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
4081 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
540753-012 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
8326186 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
8326186 Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div (USA)
Related Parts
6515-00-128-2150INTERCHANGEABLE
INFUSOR,PRESSURE,BLOOD-INTRAVENO
6645-00-225-2729INTERCHANGEABLE
WHEEL,DRIVING
4081
6515-00-442-4821INTERCHANGEABLE
PLUG,EAR
109-09107
4730-00-469-1781INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
6520-00-524-0392INTERCHANGEABLE
FORMER,DENTAL CASTING MACHINE CR
11908
5935-00-760-2018INTERCHANGEABLE
INSERT,ELECTRICAL CONNECTOR
40-5381PTY26
5935-00-760-2020INTERCHANGEABLE
INSERT,ELECTRICAL CONNECTOR
40-5381STY26
6210-00-782-7594INTERCHANGEABLE
LENS,LIGHT
4081
2805-00-908-6918INTERCHANGEABLE
PUSH ROD,ENGINE POPPET VALVE
3788494
5962-01-086-7029INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4730-01-119-7929INTERCHANGEABLE
NIPPLE,PIPE
3990-01-390-4622INTERCHANGEABLE
BINDER,LOAD
7MTC-1/1563

Frequently Asked Questions

What is NSN 5310-00-832-6186?

NSN 5310-00-832-6186 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: active.

What are the part numbers for NSN 5310-00-832-6186?

NSN 5310-00-832-6186 has 4 cross-referenced part numbers: 4081 (Roller Bearing Co of America, Inc Div Pic Design), 540753-012 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 8326186 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 8326186 (Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div).

What NSN replaces 5310-00-832-6186?

There are 12 known substitutes for 5310-00-832-6186: 6515-00-128-2150, 6645-00-225-2729, 6515-00-442-4821 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4081?

Key specifications for 4081: Knurl Width: 0.125 INCHES NOMINAL IN; Nut Style: KNURLED; Nut Diameter: 0.750 INCHES NOMINAL IN; Nominal Thread Size: 0.164 INCHES IN. 14 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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