PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

113 3-8Screw,machine

Cessna Aircraft Co Arc Avionics Div · NSN 5305-00-685-3518 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-685-3518 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-685-3518. Primary manufacturer part number: 113 3-8.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.099 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Length: 0.333 INCHES MINIMUM IN
  • Screw Material: COPPER ALLOY
  • Head Diameter: 0.197 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
  • Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-685-3518, 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 15 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-685-3518
Primary Part Number113 3-8
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCessna Aircraft Co Arc Avionics Div
StatusACTIVE
Nominal Thread Diameter0.099 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Length0.333 INCHES MINIMUM IN
Screw MaterialCOPPER ALLOY
Head Diameter0.197 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Thread Class2A A
Thread DirectionRIGHT-HAND
Internal Drive StyleSLOT
Screw Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data1 TYPE AND 8S STYLE
Head StyleBINDING
Head Height0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
Thread Quantity Per Inch48
Fastener Length0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5998-00-040-908211338 INTERCHANGEABLE
Electronic Components Assembly
Astec America Inc.
4210-00-518-361911338 INTERCHANGEABLE
Nozzle,fire Equipment
Tyco Fire Products Lp
5331-00-641-4350 INTERCHANGEABLE
O-Ring
5331-01-299-732611338 INTERCHANGEABLE
O-Ring
Bourns Inc
6515-01-446-3988312.30 INTERCHANGEABLE
Sleeve,drill,bone Fixation
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
2935-01-495-7144 INTERCHANGEABLE
Radiator,engine Coolant
Cross-Reference Index
Part NumberManufacturer
113 3-8 Cessna Aircraft Co Arc Avionics Div (USA)
Related Parts
5998-00-040-9082INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
11338
4210-00-518-3619INTERCHANGEABLE
NOZZLE,FIRE EQUIPMENT
11338
5331-00-641-4350INTERCHANGEABLE
O-RING
5331-01-299-7326INTERCHANGEABLE
O-RING
11338
6515-01-446-3988INTERCHANGEABLE
SLEEVE,DRILL,BONE FIXATION
312.30
2935-01-495-7144INTERCHANGEABLE
RADIATOR,ENGINE COOLANT

Frequently Asked Questions

What is NSN 5305-00-685-3518?

NSN 5305-00-685-3518 is a Screw,machine, manufactured by Cessna Aircraft Co Arc Avionics Div, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-685-3518?

NSN 5305-00-685-3518 has 1 cross-referenced part number: 113 3-8 (Cessna Aircraft Co Arc Avionics Div).

What NSN replaces 5305-00-685-3518?

There are 6 known substitutes for 5305-00-685-3518: 5998-00-040-9082, 4210-00-518-3619, 5331-00-641-4350 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 113 3-8?

Key specifications for 113 3-8: Nominal Thread Diameter: 0.099 INCHES IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Length: 0.333 INCHES MINIMUM IN; Screw Material: COPPER ALLOY. 15 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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