PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN501A6-18Screw,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5305-00-180-0038 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-180-0038 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-180-0038. Primary manufacturer part number: AN501A6-18.
Features
  • Screw,machine — FSC 5305
  • Head Height: 0.089 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
  • Thread Length: 1.075 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
  • Head Style: FILLISTER
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Screw Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
  • Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-180-0038, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-180-0038
Primary Part NumberAN501A6-18
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Head Height0.089 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Thread Length1.075 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Head StyleFILLISTER
Internal Drive StyleCROSS RECESS TYPE 1
Screw Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Hole Quantity1
Thread Quantity Per Inch40
Head Hole Configuration StyleROUND
Fastener Length1.125 INCHES NOMINAL IN
Thread Class2A A
Head Diameter0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
Hole Diameter0.046 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Screw MaterialSTEEL OR STEEL COMP 1010
Screw Surface TreatmentCADMIUM
Screw Material Document and ClassificationQQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5305-00-167-2315 INTERCHANGEABLE
Screw,tapping
5305-00-167-2317 INTERCHANGEABLE
Screw,tapping
5305-00-167-2320 INTERCHANGEABLE
Screw,tapping
5305-00-167-2321 INTERCHANGEABLE
Screw,tapping
5305-00-207-54862074D14 INTERCHANGEABLE
Screw,tapping
Curtiss-Wright Controls, Inc. Div Actuation Division
5305-00-297-2519 INTERCHANGEABLE
Screw,tapping
5305-00-533-44591114190Z10-8 INTERCHANGEABLE
Screw,tapping
The Boeing Company
5305-00-576-2505 INTERCHANGEABLE
Screw,tapping
5305-00-579-5820 INTERCHANGEABLE
Screw,tapping
Cross-Reference Index
Part NumberManufacturer
AN501A6-18 Aeronautical Standards Group Dept of Navy and Air Force (USA)
FFS92ANDTYPE1ANDSTYLE5S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
S6033 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
501A6-18 Department of the Air Force (USA)
Related Parts
5305-00-167-2315INTERCHANGEABLE
SCREW,TAPPING
5305-00-167-2317INTERCHANGEABLE
SCREW,TAPPING
5305-00-167-2320INTERCHANGEABLE
SCREW,TAPPING
5305-00-167-2321INTERCHANGEABLE
SCREW,TAPPING
5305-00-207-5486INTERCHANGEABLE
SCREW,TAPPING
2074D14
5305-00-297-2519INTERCHANGEABLE
SCREW,TAPPING
5305-00-533-4459INTERCHANGEABLE
SCREW,TAPPING
1114190Z10-8
5305-00-576-2505INTERCHANGEABLE
SCREW,TAPPING
5305-00-579-5820INTERCHANGEABLE
SCREW,TAPPING

Frequently Asked Questions

What is NSN 5305-00-180-0038?

NSN 5305-00-180-0038 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 5305-00-180-0038?

NSN 5305-00-180-0038 has 4 cross-referenced part numbers: AN501A6-18 (Aeronautical Standards Group Dept of Navy and Air Force), FFS92ANDTYPE1ANDSTYLE5S (Federal Specifications Promulgated by General Services Administration Washington DC), S6033 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 501A6-18 (Department of the Air Force).

What NSN replaces 5305-00-180-0038?

There are 9 known substitutes for 5305-00-180-0038: 5305-00-167-2315, 5305-00-167-2317, 5305-00-167-2320 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN501A6-18?

Key specifications for AN501A6-18: Head Height: 0.089 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN; Thread Length: 1.075 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN; Head Style: FILLISTER; Internal Drive Style: CROSS RECESS TYPE 1. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-180-0038 still in active supply?

NSN 5305-00-180-0038 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