PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

6662388-1Bushing,machine Thread

Lockheed Martin Corporation Div Rotary and Mission Systems · NSN 5365-01-099-0646 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-099-0646 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-099-0646. Primary manufacturer part number: 6662388-1.
Features
  • Bushing,machine Thread — FSC 5365
  • Surface Treatment: PASSIVATE
  • Screw Thread Length: 0.280 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Material Document and Classification: QQ-S-764, TYPE 303, COND A-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE
  • Material: STEEL COMP 303
  • Features Provided: COUNTERSUNK
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Bushing,machine Thread, cataloged under National Stock Number 5365-01-099-0646, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 17 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-099-0646
Primary Part Number6662388-1
Item NameBushing,machine Thread
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rotary and Mission Systems
StatusACTIVE
Surface TreatmentPASSIVATE
Screw Thread Length0.280 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Material Document and ClassificationQQ-S-764, TYPE 303, COND A-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP 303
Features ProvidedCOUNTERSUNK
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Thread Quantity Per Inch24
Countersink LocationWRENCHING END
Thread Series DesignatorUNS
Hole Inside Diameter0.326 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
Countersink Angle in Deg40.0 LOCATION NOT OTHERWISE SPECIFIED
Thickness0.050 INCHES NOMINAL IN
Nominal Thread Size0.500 INCHES IN
Countersink Depth0.055 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Diameter0.442 INCHES NOMINAL IN
Wrenching Facility ShapeROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
6662388-1 PRIMARY Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
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Frequently Asked Questions

What is NSN 5365-01-099-0646?

NSN 5365-01-099-0646 is a Bushing,machine Thread, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-099-0646?

NSN 5365-01-099-0646 has 1 cross-referenced part number: 6662388-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).

What are the specifications of 6662388-1?

Key specifications for 6662388-1: Surface Treatment: PASSIVATE; Screw Thread Length: 0.280 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Material Document and Classification: QQ-S-764, TYPE 303, COND A-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE. 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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