PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N226P5Nut,plain,hexagon

Ametek Inc Div Aerospace and Defense · NSN 5310-00-551-4743 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-551-4743 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-551-4743. Primary manufacturer part number: N226P5.
Features
  • Nut,plain,hexagon — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: 66,COMP 18-8 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 56
  • Bearing Surface Type: CHAMFERED
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.086 INCHES IN
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 5310-00-551-4743, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ametek Inc Div Aerospace and Defense. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5310-00-551-4743
Primary Part NumberN226P5
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAmetek Inc Div Aerospace and Defense
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Material Document and Classification66,COMP 18-8 FED STD SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch56
Bearing Surface TypeCHAMFERED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.086 INCHES IN
Thread Class2B
Nut StyleHEXAGON
Width Across Flats0.180 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Nut Height0.057 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-938-2013MS35649-224 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
N226P5 General Electric Co Materials Information Services (USA)
N226P5 PRIMARY Ametek Inc Div Aerospace and Defense (USA)
N226P5 General Electric Co Instrument Products Section (USA)
ANSI B18.6.3.2-56UNC-2B American National Standards Institute Incorporated Dba American National Standards Institute (USA)
NLLHB05000 General Electric Co Instrument Products Section (USA)
Related Parts
5310-00-938-2013INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35649-224

Frequently Asked Questions

What is NSN 5310-00-551-4743?

NSN 5310-00-551-4743 is a Nut,plain,hexagon, manufactured by Ametek Inc Div Aerospace and Defense, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-551-4743?

NSN 5310-00-551-4743 has 5 cross-referenced part numbers: N226P5 (General Electric Co Materials Information Services), N226P5 (Ametek Inc Div Aerospace and Defense), N226P5 (General Electric Co Instrument Products Section), ANSI B18.6.3.2-56UNC-2B (American National Standards Institute Incorporated Dba American National Standards Institute), NLLHB05000 (General Electric Co Instrument Products Section).

What NSN replaces 5310-00-551-4743?

There is 1 known substitute for 5310-00-551-4743: 5310-00-938-2013. Verify interchangeability with system specifications before substitution.

What are the specifications of N226P5?

Key specifications for N226P5: Surface Treatment: PASSIVATE OVERALL; Material Document and Classification: 66,COMP 18-8 FED STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 56. 12 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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