PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

801-6408784 FIND 178Nut,self-Locking,hexagon

Naval Sea Systems Command · NSN 5310-01-348-1730 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-348-1730 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-348-1730. Primary manufacturer part number: 801-6408784 FIND 178.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Nut Height: 0.732 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 11
  • Thread Direction: RIGHT-HAND
  • Criticality Code Justification: ZZZX
  • Nominal Thread Size: 0.625 INCHES IN
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-348-1730, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-348-1730
Primary Part Number801-6408784 FIND 178
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Nut Height0.732 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch11
Thread DirectionRIGHT-HAND
Criticality Code JustificationZZZX
Nominal Thread Size0.625 INCHES IN
Nut StyleHEXAGON
Thread Class3B
Locking FeaturePREVAILING TORQUE ALL NONMETALLIC DESIGN
Width Across Flats0.928 INCHES MINIMUM AND 0.944 INCHES MAXIMUM IN
MaterialNICKEL ALLOY OVERALL
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4820-00-411-2699 INTERCHANGEABLE
Seat,valve
5310-00-866-8637 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-004-6946MS17828-10C INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-269-0328516-8500418 ITEM F2 INTERCHANGEABLE
Nut,self-Locking,hexagon
Naval Sea Systems Command
5310-01-485-5951 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-623-9911 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-671-2258 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
801-6408784 FIND 178 Naval Sea Systems Command (USA)
302707 FIND 14 Oil States Industries, Inc. Div Special Products Div (USA)
60-08-0429L1 Naval Inventory Control Point Mechanicsburg (USA)
SS845-2109844 PC13 Naval Ship Systems Command (USA)
803-5959302-A-44L1 Naval Inventory Control Point Mechanicsburg (USA)
209-7411034ITEMSSW-F142 Naval Sea Systems Command (USA)
803-5001003-X9XX-119L1 Naval Inventory Control Point Mechanicsburg (USA)
299944 ITEM 9L1 Naval Inventory Control Point Mechanicsburg (USA)
300074 ITEM 6L1 Naval Inventory Control Point Mechanicsburg (USA)
845-4687542 ITEM 127L1 Naval Inventory Control Point Mechanicsburg (USA)
845-4558730 ITEM 26 Naval Ship Systems Command (USA)
2643-825-89 ITEM 29 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
845-2109801 PC10 Naval Ship Systems Command (USA)
SS845-2050875 PC 10L1 Naval Inventory Control Point Mechanicsburg (USA)
2644-742-01-ITEM NO-24 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
566-6404316 FIND 28 Naval Sea Systems Command (USA)
2270-84 ITEM 18L1 Naval Inventory Control Point Mechanicsburg (USA)
302707 FIND 14L1 Naval Inventory Control Point Mechanicsburg (USA)
SS845-2109844 PC13L1 Naval Inventory Control Point Mechanicsburg (USA)
845-2109801 PC10L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
4820-00-411-2699INTERCHANGEABLE
SEAT,VALVE
5310-00-866-8637INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-004-6946INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17828-10C
5310-01-269-0328INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
516-8500418 ITEM F2
5310-01-485-5951INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-623-9911INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-671-2258INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-348-1730?

NSN 5310-01-348-1730 is a Nut,self-Locking,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-348-1730?

NSN 5310-01-348-1730 has 50 cross-referenced part numbers: 801-6408784 FIND 178 (Naval Sea Systems Command), 302707 FIND 14 (Oil States Industries, Inc. Div Special Products Div), 60-08-0429L1 (Naval Inventory Control Point Mechanicsburg), SS845-2109844 PC13 (Naval Ship Systems Command), 803-5959302-A-44L1 (Naval Inventory Control Point Mechanicsburg) and 45 more.

What NSN replaces 5310-01-348-1730?

There are 7 known substitutes for 5310-01-348-1730: 4820-00-411-2699, 5310-00-866-8637, 5310-01-004-6946 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 801-6408784 FIND 178?

Key specifications for 801-6408784 FIND 178: Nut Height: 0.732 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 11; Thread Direction: RIGHT-HAND. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-348-1730 still in active supply?

NSN 5310-01-348-1730 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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