PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73646Ring,externally Threaded

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5365-01-046-4875 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-046-4875 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-046-4875. Primary manufacturer part number: 73646.
Features
  • Ring,externally Threaded — FSC 5365
  • Diameter: 0.188 INCHES NOMINAL IN
  • Beveled Thread: NOT INCLUDED
  • Accommodation Type and Quantity: 3 HOLES
  • Setscrew Locking Notch: NOT INCLUDED
  • Angle Between Accommodations in Deg: 120.0
  • Bore Annular Internal Serration: NOT INCLUDED
  • Radius From Geometric Axis to Accommodation: 0.8125 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Ring,externally Threaded, cataloged under National Stock Number 5365-01-046-4875, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5365-01-046-4875
Primary Part Number73646
Item NameRing,externally Threaded
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Diameter0.188 INCHES NOMINAL IN
Beveled ThreadNOT INCLUDED
Accommodation Type and Quantity3 HOLES
Setscrew Locking NotchNOT INCLUDED
Angle Between Accommodations in Deg120.0
Bore Annular Internal SerrationNOT INCLUDED
Radius From Geometric Axis to Accommodation0.8125 INCHES NOMINAL IN
Taper Major Diameter LocationOPPOSITE DRIVE END
MaterialSTEEL COMP 303
Surface TreatmentPASSIVATE
Material Document and ClassificationQQ-S-763 TY 303 CL 7 FED SPEC SINGLE MATERIAL RESPONSE
Bore ShapeTAPERED
Casehardening IndicatorNOT CASEHARDENED
Drive TypeDRILLED FACE
Taper Minor Diameter1.250 INCHES NOMINAL IN
Thread Size2.062-16
Thread Class2A A
Taper Major Diameter1.719 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Depth0.188 INCHES NOMINAL IN
Screw Thread Series DesignatorUNS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2915-00-020-654983307 INTERCHANGEABLE
Parts Kit,pump,over
Triumph Engine Control Systems Llc
5310-00-084-3916026115 INTERCHANGEABLE
Nut,plain,hexagon
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
Cross-Reference Index
Part NumberManufacturer
73646 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
2915-00-020-6549INTERCHANGEABLE
PARTS KIT,PUMP,OVER
83307
5310-00-084-3916INTERCHANGEABLE
NUT,PLAIN,HEXAGON
026115

Frequently Asked Questions

What is NSN 5365-01-046-4875?

NSN 5365-01-046-4875 is a Ring,externally Threaded, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-046-4875?

NSN 5365-01-046-4875 has 1 cross-referenced part number: 73646 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5365-01-046-4875?

There are 2 known substitutes for 5365-01-046-4875: 2915-00-020-6549, 5310-00-084-3916. Verify interchangeability with system specifications before substitution.

What are the specifications of 73646?

Key specifications for 73646: Diameter: 0.188 INCHES NOMINAL IN; Beveled Thread: NOT INCLUDED; Accommodation Type and Quantity: 3 HOLES; Setscrew Locking Notch: NOT INCLUDED. 22 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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