PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

503-0016Screw,assembled Washer

Cessna Aircraft Co Arc Avionics Div · NSN 5305-00-558-6254 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-558-6254 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-558-6254. Primary manufacturer part number: 503-0016.
Features
  • Screw,assembled Washer — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Head Height: 0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
  • Thread Length: 0.225 INCHES MINIMUM IN
  • Primary Washer Material Thickness: 0.025 INCHES MINIMUM IN
  • Thread Quantity Per Inch: 48
  • Material: COPPER ALLOY OR STEEL CORROSION RESISTING OVERALL
  • Internal Drive Style: SLOT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy or Steel Corrosion Resisting Overall construction
General Description

The Screw,assembled Washer, cataloged under National Stock Number 5305-00-558-6254, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cessna Aircraft Co Arc Avionics Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-558-6254
Primary Part Number503-0016
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCessna Aircraft Co Arc Avionics Div
StatusCANCELLED
Thread DirectionRIGHT-HAND
Head Height0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
Thread Length0.225 INCHES MINIMUM IN
Primary Washer Material Thickness0.025 INCHES MINIMUM IN
Thread Quantity Per Inch48
MaterialCOPPER ALLOY OR STEEL CORROSION RESISTING OVERALL
Internal Drive StyleSLOT
Head StyleBINDING
Fastener Length0.250 INCHES NOMINAL IN
Nominal Thread Diameter0.099 INCHES IN
Primary Washer Outside Diameter0.220 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Head Diameter0.197 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
Primary Washer StyleFLAT INTERNAL TEETH
Surface TreatmentNICKEL FASTENER
Washer Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-003-49115031-4 INTERCHANGEABLE
Washer,shouldered
L3harris Technologies, Inc. Div Space and Airborne Systems
5210-00-274-28575026 INTERCHANGEABLE
Gage,thickness
Doall Baltimore Company
4320-00-300-476010900570 INTERCHANGEABLE
Propeller,pump
U S Army Tank Automotive Command Amsta-Im-Mm
5360-00-894-0559SC50314 INTERCHANGEABLE
Spring,helical,compression
Hdt Expeditionary Systems Inc
5133-00-990-818850314 INTERCHANGEABLE
Drill,masonry,power Hammer
Black and Decker Us Inc
6680-01-012-6061 INTERCHANGEABLE
Adapter,tachometer
2040-01-033-676950314 INTERCHANGEABLE
Lens Assembly,eyepi
L3 Technologies, Inc. Div L3 Keo
4820-01-074-507060249-2 INTERCHANGEABLE
Valve,safety Relief
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
6680-01-123-351850314 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
7310-01-182-8549P9-50300-16 INTERCHANGEABLE
Element Pan,hot Plate,range Top
Star Manufacturing International Inc. Dba Star Manufacturing
Cross-Reference Index
Part NumberManufacturer
503-0016 Cessna Aircraft Co Arc Avionics Div (USA)
503 1-4 Cessna Aircraft Co Arc Avionics Div (USA)
Related Parts
5310-00-003-4911INTERCHANGEABLE
WASHER,SHOULDERED
5031-4
5210-00-274-2857INTERCHANGEABLE
GAGE,THICKNESS
5026
4320-00-300-4760INTERCHANGEABLE
PROPELLER,PUMP
10900570
5360-00-894-0559INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
SC50314
5133-00-990-8188INTERCHANGEABLE
DRILL,MASONRY,POWER HAMMER
50314
6680-01-012-6061INTERCHANGEABLE
ADAPTER,TACHOMETER
2040-01-033-6769INTERCHANGEABLE
LENS ASSEMBLY,EYEPI
50314
4820-01-074-5070INTERCHANGEABLE
VALVE,SAFETY RELIEF
60249-2
6680-01-123-3518INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
50314
7310-01-182-8549INTERCHANGEABLE
ELEMENT PAN,HOT PLATE,RANGE TOP
P9-50300-16
5310-01-229-7787INTERCHANGEABLE
WASHER,SPECIAL
503 0016
4730-01-331-2866INTERCHANGEABLE
COUPLING,TUBE
50314-50

Frequently Asked Questions

What is NSN 5305-00-558-6254?

NSN 5305-00-558-6254 is a Screw,assembled Washer, manufactured by Cessna Aircraft Co Arc Avionics Div, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-558-6254?

NSN 5305-00-558-6254 has 2 cross-referenced part numbers: 503-0016 (Cessna Aircraft Co Arc Avionics Div), 503 1-4 (Cessna Aircraft Co Arc Avionics Div).

What NSN replaces 5305-00-558-6254?

There are 12 known substitutes for 5305-00-558-6254: 5310-00-003-4911, 5210-00-274-2857, 4320-00-300-4760 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 503-0016?

Key specifications for 503-0016: Thread Direction: RIGHT-HAND; Head Height: 0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN; Thread Length: 0.225 INCHES MINIMUM IN; Primary Washer Material Thickness: 0.025 INCHES MINIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-558-6254 still in active supply?

NSN 5305-00-558-6254 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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