PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN345-616Nut,plain,hexagon

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5310-00-582-8444 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-582-8444 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-582-8444. Primary manufacturer part number: AN345-616.
Features
  • Nut,plain,hexagon — FSC 5310
  • Surface Treatment: CADMIUM OVERALL
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.607 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Thread Series: UNF
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Quantity Per Inch: 24
  • Nut Height: 0.2390 INCHES MINIMUM AND 0.2575 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 5310-00-582-8444, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-582-8444
Primary Part NumberAN345-616
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Surface TreatmentCADMIUM OVERALL
Thread DirectionRIGHT-HAND
Width Across Flats0.607 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Thread SeriesUNF
Nominal Thread Size0.375 INCHES IN
Thread Quantity Per Inch24
Nut Height0.2390 INCHES MINIMUM AND 0.2575 INCHES MAXIMUM IN
Nut StyleHEXAGON
MaterialSTEEL OVERALL
Thread Class2B
Bearing Surface TypeCHAMFERED OR WASHER FACED
Countersink Angle110.0 DEGREES NOMINAL NUT
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-043-4551H2212PC31 INTERCHANGEABLE
Setscrew
Siemens Energy, Inc.
5310-00-058-1626MS35650-3382 INTERCHANGEABLE
Nut,plain,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-514-7728 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-545-8374 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-577-546212378PCM326 INTERCHANGEABLE
Screw,cap,hexagon Head
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5305-00-614-0245 INTERCHANGEABLE
Screw,machine
5310-00-619-5792 INTERCHANGEABLE
Nut,plain,hexagon
5305-00-639-0914 INTERCHANGEABLE
Screw,machine
5310-00-682-5834 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-720-8392 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
AN345-616 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MILS933 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN345-616 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
9026220 Us Army Aviation and Missile Command (USA)
Related Parts
5305-00-043-4551INTERCHANGEABLE
SETSCREW
H2212PC31
5310-00-058-1626INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35650-3382
5305-00-514-7728INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-545-8374INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-577-5462INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12378PCM326
5305-00-614-0245INTERCHANGEABLE
SCREW,MACHINE
5310-00-619-5792INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-00-639-0914INTERCHANGEABLE
SCREW,MACHINE
5310-00-682-5834INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-720-8392INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-00-883-8689INTERCHANGEABLE
SCREW,MACHINE
60-19-6579
5305-00-914-6150INTERCHANGEABLE
SCREW,MACHINE
MS35273-2

Frequently Asked Questions

What is NSN 5310-00-582-8444?

NSN 5310-00-582-8444 is a Nut,plain,hexagon, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-582-8444?

NSN 5310-00-582-8444 has 4 cross-referenced part numbers: AN345-616 (Aeronautical Standards Group Dept of Navy and Air Force), MILS933 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN345-616 (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group), 9026220 (Us Army Aviation and Missile Command).

What NSN replaces 5310-00-582-8444?

There are 12 known substitutes for 5310-00-582-8444: 5305-00-043-4551, 5310-00-058-1626, 5305-00-514-7728 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN345-616?

Key specifications for AN345-616: Surface Treatment: CADMIUM OVERALL; Thread Direction: RIGHT-HAND; Width Across Flats: 0.607 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Thread Series: UNF. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-582-8444 still in active supply?

NSN 5310-00-582-8444 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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