PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN365-640CNut,self-Locking,hexagon

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5310-00-298-4537 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-298-4537 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-298-4537. Primary manufacturer part number: AN365-640C.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Bearing Surface Finish: 125.0 MICROINCHES
  • Nominal Thread Size: 0.138 INCHES IN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Surface Treatment: CADMIUM OVERALL
  • Width Across Flats: 0.302 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-298-4537, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5310-00-298-4537
Primary Part NumberAN365-640C
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Bearing Surface Finish125.0 MICROINCHES
Nominal Thread Size0.138 INCHES IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Surface TreatmentCADMIUM OVERALL
Width Across Flats0.302 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Nut Height0.172 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Thread Quantity Per Inch40
Thread Class2B
Thread SeriesUNF
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5310-00-282-0512 INTERCHANGEABLE
Nut,self-Locking,hexagon
5305-00-285-5166 INTERCHANGEABLE
Screw,cap,hexagon Head
6625-00-324-59922919995 INTERCHANGEABLE
Modulator,signal Generator
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-595-7475 INTERCHANGEABLE
Nut,self-Locking,hexagon
5815-00-822-5297180160 INTERCHANGEABLE
Keytop,keyboard
Telemechanics Inc
3120-01-052-4107180160 INTERCHANGEABLE
Bushing,plain,flang
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4140-01-691-3602180.160 INTERCHANGEABLE
Nozzle,blower
Desco Manufacturing Company Div Desco Manufacturing Co. Inc.
Cross-Reference Index
Part NumberManufacturer
AN365-640C Aeronautical Standards Group Dept of Navy and Air Force (USA)
1801-60 Harvard Industries Inc (USA)
ANN5B Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
Related Parts
5310-00-282-0512INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5305-00-285-5166INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6625-00-324-5992INTERCHANGEABLE
MODULATOR,SIGNAL GENERATOR
2919995
5310-00-595-7475INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5815-00-822-5297INTERCHANGEABLE
KEYTOP,KEYBOARD
180160
3120-01-052-4107INTERCHANGEABLE
BUSHING,PLAIN,FLANG
180160
4140-01-691-3602INTERCHANGEABLE
NOZZLE,BLOWER
180.160

Frequently Asked Questions

What is NSN 5310-00-298-4537?

NSN 5310-00-298-4537 is a Nut,self-Locking,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 5310-00-298-4537?

NSN 5310-00-298-4537 has 3 cross-referenced part numbers: AN365-640C (Aeronautical Standards Group Dept of Navy and Air Force), 1801-60 (Harvard Industries Inc), ANN5B (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group).

What NSN replaces 5310-00-298-4537?

There are 7 known substitutes for 5310-00-298-4537: 5310-00-282-0512, 5305-00-285-5166, 6625-00-324-5992 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN365-640C?

Key specifications for AN365-640C: Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Bearing Surface Finish: 125.0 MICROINCHES; Nominal Thread Size: 0.138 INCHES IN; Bearing Surface Type: CHAMFERED OR WASHER FACED. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-298-4537 still in active supply?

NSN 5310-00-298-4537 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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