PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Y8-6Nut,plain,hexagon

Roller Bearing Co of America, Inc Div Pic Design · NSN 5310-00-115-6321 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-115-6321 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-115-6321. Primary manufacturer part number: Y8-6.
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Nut Style: HEXAGON
  • Nominal Thread Size: 0.138 INCHES IN
  • Bearing Surface Type: CHAMFERED
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 32
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-115-6321, 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 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-115-6321
Primary Part NumberY8-6
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Width Across Flats0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Nut StyleHEXAGON
Nominal Thread Size0.138 INCHES IN
Bearing Surface TypeCHAMFERED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch32
MaterialSTEEL CORROSION RESISTING OVERALL
Nut Height0.099 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-934-9761MS35649-264 INTERCHANGEABLE
Nut,plain,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
Y8-6 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
3063000-0632 Honeywell Intl Inc Defense Avionics Systems (USA)
Related Parts
5310-00-934-9761INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35649-264

Frequently Asked Questions

What is NSN 5310-00-115-6321?

NSN 5310-00-115-6321 is a Nut,plain,hexagon, 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 5310-00-115-6321?

NSN 5310-00-115-6321 has 2 cross-referenced part numbers: Y8-6 (Roller Bearing Co of America, Inc Div Pic Design), 3063000-0632 (Honeywell Intl Inc Defense Avionics Systems).

What NSN replaces 5310-00-115-6321?

There is 1 known substitute for 5310-00-115-6321: 5310-00-934-9761. Verify interchangeability with system specifications before substitution.

What are the specifications of Y8-6?

Key specifications for Y8-6: Width Across Flats: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Nut Style: HEXAGON; Nominal Thread Size: 0.138 INCHES IN; Bearing Surface Type: CHAMFERED. 10 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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