PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN503-8-8Screw,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5305-00-145-7011 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-145-7011 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-145-7011. Primary manufacturer part number: AN503-8-8.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Head Hole Configuration Style: ROUND
  • Screw Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
  • Head Style: FILLISTER
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
  • Screw Material: STEEL COMP 8630
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-145-7011, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-145-7011
Primary Part NumberAN503-8-8
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Nominal Thread Diameter0.164 INCHES IN
Head Hole Configuration StyleROUND
Screw Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Head StyleFILLISTER
Internal Drive StyleCROSS RECESS TYPE 1
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Screw MaterialSTEEL COMP 8630
Hole Quantity1
Thread Quantity Per Inch32
Head Diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Screw Material Document and ClassificationMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
Head Height0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
Fastener Length0.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Class3A A
Screw Surface TreatmentCADMIUM
Thread Length0.344 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Hole Diameter0.045 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-359-0054333996R92 INTERCHANGEABLE
Seal,plain Encased
Dressta North America Ltd
5355-00-817-439578315 INTERCHANGEABLE
Dial,scale
L3harris Technologies, Inc Div Space & Airborne Systems
3110-01-205-4115783-15 INTERCHANGEABLE
Bearing,ball,annular
Translectric Corp
6680-01-266-689778315 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
AN503-8-8 Aeronautical Standards Group Dept of Navy and Air Force (USA)
78315 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
931.45.16.310 Pilatus Aircraft Ltd (CHE)
78315 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
A1635-40 Cessna Aircraft Co Mccauley Accessory Div (USA)
Related Parts
5330-00-359-0054INTERCHANGEABLE
SEAL,PLAIN ENCASED
333996R92
5355-00-817-4395INTERCHANGEABLE
DIAL,SCALE
78315
3110-01-205-4115INTERCHANGEABLE
BEARING,BALL,ANNULAR
783-15
6680-01-266-6897INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
78315

Frequently Asked Questions

What is NSN 5305-00-145-7011?

NSN 5305-00-145-7011 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 5305-00-145-7011?

NSN 5305-00-145-7011 has 5 cross-referenced part numbers: AN503-8-8 (Aeronautical Standards Group Dept of Navy and Air Force), 78315 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 931.45.16.310 (Pilatus Aircraft Ltd), 78315 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)), A1635-40 (Cessna Aircraft Co Mccauley Accessory Div).

What NSN replaces 5305-00-145-7011?

There are 4 known substitutes for 5305-00-145-7011: 5330-00-359-0054, 5355-00-817-4395, 3110-01-205-4115 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN503-8-8?

Key specifications for AN503-8-8: Nominal Thread Diameter: 0.164 INCHES IN; Head Hole Configuration Style: ROUND; Screw Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE; Head Style: FILLISTER. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-145-7011 still in active supply?

NSN 5305-00-145-7011 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.
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