PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122-2422386 PIECE 309Nut,plain,hexagon

Naval Sea Systems Command · NSN 5310-01-343-8333 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-343-8333 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-343-8333. Primary manufacturer part number: 122-2422386 PIECE 309.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Material Document and Classification: NSI B18.2.2, SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: ZINC OVERALL
  • Material: STEEL OVERALL
  • Thread Class: 2B
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Thread Quantity Per Inch: 13
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 5310-01-343-8333, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-343-8333
Primary Part Number122-2422386 PIECE 309
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Thread DirectionRIGHT-HAND
Material Document and ClassificationNSI B18.2.2, SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentZINC OVERALL
MaterialSTEEL OVERALL
Thread Class2B
Hardness Rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Thread Quantity Per Inch13
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.500 INCHES IN
Nut StyleHEXAGON
Width Across Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Nut Height0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Nondefinitive Spec/std Data5 GRADE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-01-212-4568 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-450-5130701-4323682 P/N 24 INTERCHANGEABLE
Nut,plain,hexagon
Naval Sea Systems Command
5310-01-551-08687383858-H5257617-10 INTERCHANGEABLE
Nut,self-Locking,hexagon
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
122-2422386 PIECE 309 Naval Sea Systems Command (USA)
M1222N1W8C20GFNZN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
0.500-13UNC2B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
375098X1 Liftking Manufacturing Corp (CAN)
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
122-2422417 PIECE 309 Naval Sea Systems Command (USA)
Related Parts
5310-01-212-4568INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-450-5130INTERCHANGEABLE
NUT,PLAIN,HEXAGON
701-4323682 P/N 24
5310-01-551-0868INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
7383858-H5257617-10

Frequently Asked Questions

What is NSN 5310-01-343-8333?

NSN 5310-01-343-8333 is a Nut,plain,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-343-8333?

NSN 5310-01-343-8333 has 7 cross-referenced part numbers: 122-2422386 PIECE 309 (Naval Sea Systems Command), M1222N1W8C20GFNZN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 0.500-13UNC2B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 375098X1 (Liftking Manufacturing Corp) and 2 more.

What NSN replaces 5310-01-343-8333?

There are 3 known substitutes for 5310-01-343-8333: 5310-01-212-4568, 5310-01-450-5130, 5310-01-551-0868. Verify interchangeability with system specifications before substitution.

What are the specifications of 122-2422386 PIECE 309?

Key specifications for 122-2422386 PIECE 309: Thread Direction: RIGHT-HAND; Material Document and Classification: NSI B18.2.2, SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: ZINC OVERALL; Material: STEEL OVERALL. 15 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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