PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

299813PC5Nut,plain,hexagon

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-262-5581 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-262-5581 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-262-5581. Primary manufacturer part number: 299813PC5.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2B
  • Thread Quantity Per Inch: 20
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.500 INCHES IN
  • Thread Series: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-262-5581, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-262-5581
Primary Part Number299813PC5
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Thread Class2B
Thread Quantity Per Inch20
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.500 INCHES IN
Thread SeriesUNF
Surface TreatmentPHOSPHATE OVERALL
Nut Height0.437 INCHES NOMINAL IN
Nondefinitive Spec/std Data2 TYPE AND 1 STYLE
MaterialSTEEL OVERALL
Departure From Cited DocumentAS MODIFIED BY FINISH
Width Across Flats0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-012-2002122002 INTERCHANGEABLE
Nut,plain,hexagon
Rolls-Royce Solutions America Inc
5310-00-012-20061N93082H INTERCHANGEABLE
Nut,plain,hexagon
Fwd Seagrave Holdings Lp
5310-00-543-4568 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-579-1867 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-584-5249 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-584-7791 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-655-6457 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-655-9623 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-754-0963 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
299813PC5 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
FFN836TYPE2STYLE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-012-2002INTERCHANGEABLE
NUT,PLAIN,HEXAGON
122002
5310-00-012-2006INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1N93082H
5310-00-543-4568INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-579-1867INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-584-5249INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-584-7791INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-655-6457INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-655-9623INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-754-0963INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-262-5581?

NSN 5310-00-262-5581 is a Nut,plain,hexagon, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-262-5581?

NSN 5310-00-262-5581 has 2 cross-referenced part numbers: 299813PC5 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), FFN836TYPE2STYLE1 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-262-5581?

There are 9 known substitutes for 5310-00-262-5581: 5310-00-012-2002, 5310-00-012-2006, 5310-00-543-4568 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 299813PC5?

Key specifications for 299813PC5: Nut Style: HEXAGON; Thread Direction: RIGHT-HAND; Thread Class: 2B; Thread Quantity Per Inch: 20. 13 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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