PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

688-1864Nut,plain,hexagon

Naval Ship Systems Command · NSN 5310-01-212-4571 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-212-4571 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-212-4571. Primary manufacturer part number: 688-1864.
Features
  • Nut,plain,hexagon — FSC 5310
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 7 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-212-4571, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 2 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-212-4571
Primary Part Number688-1864
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-01-212-5684 INTERCHANGEABLE
Nut,plain,hexagon
5305-01-212-8146 INTERCHANGEABLE
Screw,cap,hexagon Head
5310-01-212-9718 INTERCHANGEABLE
Nut,plain,hexagon
5307-01-337-2030 INTERCHANGEABLE
Stud,continuous Thread
Cross-Reference Index
Part NumberManufacturer
688-1864 Naval Ship Systems Command (USA)
0.75010UNC2BT1G4NDC Electric Boat Corporation Div General Dynamics Electric Boat (USA)
CP-F108/245-4363478 Naval Ship Systems Command (USA)
688-1864 APPX 1 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
0.750-10UNC-2B LEVEL 1 Naval Inventory Control Point Mechanicsburg (USA)
214-4637601 PC 29 Naval Ship Systems Command (USA)
0.75010UNC2BT1G4NSA/BDC Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5310-01-212-5684INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-01-212-8146INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5310-01-212-9718INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5307-01-337-2030INTERCHANGEABLE
STUD,CONTINUOUS THREAD

Frequently Asked Questions

What is NSN 5310-01-212-4571?

NSN 5310-01-212-4571 is a Nut,plain,hexagon, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-212-4571?

NSN 5310-01-212-4571 has 7 cross-referenced part numbers: 688-1864 (Naval Ship Systems Command), 0.75010UNC2BT1G4NDC (Electric Boat Corporation Div General Dynamics Electric Boat), CP-F108/245-4363478 (Naval Ship Systems Command), 688-1864 APPX 1 (Electric Boat Corporation Div General Dynamics Electric Boat), 0.750-10UNC-2B LEVEL 1 (Naval Inventory Control Point Mechanicsburg) and 2 more.

What NSN replaces 5310-01-212-4571?

There are 4 known substitutes for 5310-01-212-4571: 5310-01-212-5684, 5305-01-212-8146, 5310-01-212-9718 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 688-1864?

Key specifications for 688-1864: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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