PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

124-4322650 PC 51Nut,plain,hexagon

Naval Sea Systems Command · NSN 5310-01-479-0303 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-479-0303 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-479-0303. Primary manufacturer part number: 124-4322650 PC 51.
Features
  • Nut,plain,hexagon — FSC 5310
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Quantity Per Inch: 11
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.625 INCHES IN
  • Surface Treatment: ZINC AND CHROMATE OVERALL
  • Surface Treatment Document and Classification: QQ-Z-35,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nut Height: 0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN
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 5310-01-479-0303, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-479-0303
Primary Part Number124-4322650 PC 51
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread Quantity Per Inch11
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.625 INCHES IN
Surface TreatmentZINC AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-Z-35,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nut Height0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Width Across Flats0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
Thread Class2B
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-01-386-0428 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-386-0507 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-469-8999124-4399311 PC 34 INTERCHANGEABLE
Nut,plain,hexagon
Naval Sea Systems Command
5310-01-474-22224322650 PC 33 INTERCHANGEABLE
Washer,flat
Naval Sea Systems Command
5310-01-479-0286124-4322650 PC 27 INTERCHANGEABLE
Nut,plain,hexagon
Naval Sea Systems Command
4030-01-480-0490GD-137-X W/MU-1937 INTERCHANGEABLE
Socket,wire Rope
Esmet Inc
Cross-Reference Index
Part NumberManufacturer
124-4322650 PC 51 PRIMARY Naval Sea Systems Command (USA)
4322650 Naval Sea Systems Command (USA)
Related Parts
5310-01-386-0428INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-386-0507INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-469-8999INTERCHANGEABLE
NUT,PLAIN,HEXAGON
124-4399311 PC 34
5310-01-474-2222INTERCHANGEABLE
WASHER,FLAT
4322650 PC 33
5310-01-479-0286INTERCHANGEABLE
NUT,PLAIN,HEXAGON
124-4322650 PC 27
4030-01-480-0490INTERCHANGEABLE
SOCKET,WIRE ROPE
GD-137-X W/MU-1937

Frequently Asked Questions

What is NSN 5310-01-479-0303?

NSN 5310-01-479-0303 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 5310-01-479-0303?

NSN 5310-01-479-0303 has 2 cross-referenced part numbers: 124-4322650 PC 51 (Naval Sea Systems Command), 4322650 (Naval Sea Systems Command).

What NSN replaces 5310-01-479-0303?

There are 6 known substitutes for 5310-01-479-0303: 5310-01-386-0428, 5310-01-386-0507, 5310-01-469-8999 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 124-4322650 PC 51?

Key specifications for 124-4322650 PC 51: Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Quantity Per Inch: 11; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.625 INCHES IN. 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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