PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43864Ring,externally Threaded

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 5365-00-482-0066 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-482-0066 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-482-0066. Primary manufacturer part number: 43864.
Features
  • Ring,externally Threaded — FSC 5365
  • Bore Shape: STRAIGHT
  • Accommodation Type and Quantity: 2 SLOTS
  • Angle Between Accommodations in Deg: 180.0
  • Bore Edge Process: ANY ACCEPTABLE
  • Bore Annular Internal Serration: NOT INCLUDED
  • Beveled Thread: NOT INCLUDED
  • Setscrew Locking Notch: NOT INCLUDED
Applications
  • Applications requiring Steel Comp 630 construction
General Description

The Ring,externally Threaded, cataloged under National Stock Number 5365-00-482-0066, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 19 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-00-482-0066
Primary Part Number43864
Item NameRing,externally Threaded
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Bore ShapeSTRAIGHT
Accommodation Type and Quantity2 SLOTS
Angle Between Accommodations in Deg180.0
Bore Edge ProcessANY ACCEPTABLE
Bore Annular Internal SerrationNOT INCLUDED
Beveled ThreadNOT INCLUDED
Setscrew Locking NotchNOT INCLUDED
MaterialSTEEL COMP 630
Surface TreatmentPASSIVATE
Surface Treatment Document and ClassificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
Thread DirectionRIGHT-HAND
Bore Diameter0.443 INCHES MINIMUM AND 0.449 INCHES MAXIMUM IN
Thread Pitch Diameters+0.6045 TO 0.6078 INCHES IN
Depth0.050 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Drive TypeSLOTTED FACE
Thread Size0.625-40
Width0.080 INCHES NOMINAL IN
Screw Thread Series DesignatorUNS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-285-5824 INTERCHANGEABLE
Seal,plain Encased
5950-00-916-596943001035-000 INTERCHANGEABLE
Transformer,audio Frequency
Dne Technologies, Inc
5315-01-299-730143864 INTERCHANGEABLE
Pin,straight,headless
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
43864 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
5330-00-285-5824INTERCHANGEABLE
SEAL,PLAIN ENCASED
5950-00-916-5969INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
43001035-000
5315-01-299-7301INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
43864

Frequently Asked Questions

What is NSN 5365-00-482-0066?

NSN 5365-00-482-0066 is a Ring,externally Threaded, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-482-0066?

NSN 5365-00-482-0066 has 1 cross-referenced part number: 43864 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 5365-00-482-0066?

There are 3 known substitutes for 5365-00-482-0066: 5330-00-285-5824, 5950-00-916-5969, 5315-01-299-7301. Verify interchangeability with system specifications before substitution.

What are the specifications of 43864?

Key specifications for 43864: Bore Shape: STRAIGHT; Accommodation Type and Quantity: 2 SLOTS; Angle Between Accommodations in Deg: 180.0; Bore Edge Process: ANY ACCEPTABLE. 20 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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