PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F52NE-066Nut,self-Locking,hexagon

Esna, Llc · NSN 5310-00-801-5761 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-801-5761 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-801-5761. Primary manufacturer part number: F52NE-066.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Nut Style: HEXAGON
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Bearing Surface Type: CHAMFERED
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.375 INCHES IN
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 5310-00-801-5761, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Esna, Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-801-5761
Primary Part NumberF52NE-066
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEsna, Llc
StatusACTIVE
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Bearing Surface TypeCHAMFERED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.375 INCHES IN
Nut Height0.453 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
Thread Class3B
MaterialSTEEL OVERALL
Test Data Document81349-MIL-(-2507 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Width Across Flats0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL EXCEPT INSERT
Thread Quantity Per Inch16
LubricationDRY FILM LUBRICANT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-087-4652 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-596-6897F52NE066 INTERCHANGEABLE
Nut,self-Locking,hexagon
Esna, Llc
Cross-Reference Index
Part NumberManufacturer
333-0439-00 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
333-0439-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
22NE616 Howmet Global Fastening Systems Inc. Div Microdot Products (USA)
F52NE-066 Harvard Industries Inc (USA)
F52NE-066 PRIMARY Esna, Llc (USA)
Related Parts
5310-00-087-4652INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-596-6897INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
F52NE066

Frequently Asked Questions

What is NSN 5310-00-801-5761?

NSN 5310-00-801-5761 is a Nut,self-Locking,hexagon, manufactured by Esna, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-801-5761?

NSN 5310-00-801-5761 has 5 cross-referenced part numbers: 333-0439-00 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 333-0439-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 22NE616 (Howmet Global Fastening Systems Inc. Div Microdot Products), F52NE-066 (Harvard Industries Inc), F52NE-066 (Esna, Llc).

What NSN replaces 5310-00-801-5761?

There are 2 known substitutes for 5310-00-801-5761: 5310-00-087-4652, 5310-00-596-6897. Verify interchangeability with system specifications before substitution.

What are the specifications of F52NE-066?

Key specifications for F52NE-066: Thread Direction: RIGHT-HAND; Nut Style: HEXAGON; Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF. 16 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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