PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN508-6-6Screw,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5305-00-180-0078 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-180-0078 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-180-0078. Primary manufacturer part number: AN508-6-6.
Features
  • Screw,machine — FSC 5305
  • Screw Material Document and Classification: QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Length: 0.375 INCHES NOMINAL IN
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Screw Surface Treatment: TIN OR SILVER
  • Thread Class: 2A A
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-180-0078, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-180-0078
Primary Part NumberAN508-6-6
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Screw Material Document and ClassificationQQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Length0.375 INCHES NOMINAL IN
Fastener Length0.375 INCHES NOMINAL IN
Screw Surface TreatmentTIN OR SILVER
Thread Class2A A
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch32
Nominal Thread Diameter0.138 INCHES IN
Screw MaterialCOPPER ALLOY
Head StyleROUND
Head Height0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Head Diameter0.015 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-206-371623-01072-105 INTERCHANGEABLE
Screw,machine
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
AN508-6-6 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5305-00-206-3716INTERCHANGEABLE
SCREW,MACHINE
23-01072-105

Frequently Asked Questions

What is NSN 5305-00-180-0078?

NSN 5305-00-180-0078 is a Screw,machine, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-180-0078?

NSN 5305-00-180-0078 has 1 cross-referenced part number: AN508-6-6 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5305-00-180-0078?

There is 1 known substitute for 5305-00-180-0078: 5305-00-206-3716. Verify interchangeability with system specifications before substitution.

What are the specifications of AN508-6-6?

Key specifications for AN508-6-6: Screw Material Document and Classification: QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Length: 0.375 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-180-0078 still in active supply?

NSN 5305-00-180-0078 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com