PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4000448Ring,externally Threaded

Meggitt Aircraft Braking Systems Corporation · NSN 5365-01-079-1593 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-079-1593 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-079-1593. Primary manufacturer part number: 4000448.
Features
  • Ring,externally Threaded — FSC 5365
  • Bore Diameter: 0.760 INCHES NOMINAL IN
  • Thread Size: 1.250-16
  • Bore Annular Internal Serration: NOT INCLUDED
  • Beveled Thread: NOT INCLUDED
  • Accommodation Type and Quantity: 2 SLOTS
  • Process End Location: END OPPOSITE DRIVE END
  • Angle Between Accommodations in Deg: 180.0
Applications
  • Applications requiring Steel construction
General Description

The Ring,externally Threaded, cataloged under National Stock Number 5365-01-079-1593, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Meggitt Aircraft Braking Systems Corporation. Government technical data includes 17 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-079-1593
Primary Part Number4000448
Item NameRing,externally Threaded
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerMeggitt Aircraft Braking Systems Corporation
StatusACTIVE
Bore Diameter0.760 INCHES NOMINAL IN
Thread Size1.250-16
Bore Annular Internal SerrationNOT INCLUDED
Beveled ThreadNOT INCLUDED
Accommodation Type and Quantity2 SLOTS
Process End LocationEND OPPOSITE DRIVE END
Angle Between Accommodations in Deg180.0
Setscrew Locking NotchNOT INCLUDED
Bore Edge ProcessCHAMFERED
MaterialSTEEL
Drive TypeSLOTTED FACE
Width0.120 INCHES NOMINAL IN
Thread Class3A A
Screw Thread Series DesignatorUN
Bore ShapeSTRAIGHT
Thread DirectionRIGHT-HAND
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3020-00-811-5364400-0448 INTERCHANGEABLE
Chain,roller
Continental Electronics Corp
Cross-Reference Index
Part NumberManufacturer
4000448 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
4000448 Goodyear Tire and Rubber Co the (USA)
4000448 PRIMARY Meggitt Aircraft Braking Systems Corporation (USA)
Related Parts
3020-00-811-5364INTERCHANGEABLE
CHAIN,ROLLER
400-0448

Frequently Asked Questions

What is NSN 5365-01-079-1593?

NSN 5365-01-079-1593 is a Ring,externally Threaded, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-079-1593?

NSN 5365-01-079-1593 has 3 cross-referenced part numbers: 4000448 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems), 4000448 (Goodyear Tire and Rubber Co the), 4000448 (Meggitt Aircraft Braking Systems Corporation).

What NSN replaces 5365-01-079-1593?

There is 1 known substitute for 5365-01-079-1593: 3020-00-811-5364. Verify interchangeability with system specifications before substitution.

What are the specifications of 4000448?

Key specifications for 4000448: Bore Diameter: 0.760 INCHES NOMINAL IN; Thread Size: 1.250-16; Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: NOT INCLUDED. 18 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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