PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

183300PC21Screw,machine

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5305-00-272-1499 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-272-1499 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-272-1499. Primary manufacturer part number: 183300PC21.
Features
  • Screw,machine — FSC 5305
  • Head Style: HEXAGON
  • Internal Drive Style: SLOT
  • Screw Material: STEEL CORROSION RESISTING
  • Thread Quantity Per Inch: 18
  • Departure From Cited Designator: AS MODIFIED BY THREAD CLASS
  • Screw Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
  • Nominal Thread Diameter: 0.312 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-272-1499, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5305-00-272-1499
Primary Part Number183300PC21
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Head StyleHEXAGON
Internal Drive StyleSLOT
Screw MaterialSTEEL CORROSION RESISTING
Thread Quantity Per Inch18
Departure From Cited DesignatorAS MODIFIED BY THREAD CLASS
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Nominal Thread Diameter0.312 INCHES IN
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Nondefinitive Spec/std Data1 TYPE AND 10S STYLE
Screw Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Height0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Fastener Length0.625 INCHES NOMINAL IN
Width Between Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread Length0.514 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Screw Surface TreatmentPASSIVATE
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5306-00-206-19141-33ALT1PC6 INTERCHANGEABLE
Bolt,machine
The Dewey Electronics Corporation Div Pitometer Log Division
5305-00-271-2065280451PC28 INTERCHANGEABLE
Screw,machine
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-271-2067 INTERCHANGEABLE
Screw,machine
5305-00-271-2068T304 INTERCHANGEABLE
Screw,machine
All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners
5305-00-271-2080 INTERCHANGEABLE
Screw,machine
5305-00-275-9933 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
FFS85TYPE1STYLE10S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
183300PC21 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5306-00-206-1914INTERCHANGEABLE
BOLT,MACHINE
1-33ALT1PC6
5305-00-271-2065INTERCHANGEABLE
SCREW,MACHINE
280451PC28
5305-00-271-2067INTERCHANGEABLE
SCREW,MACHINE
5305-00-271-2068INTERCHANGEABLE
SCREW,MACHINE
T304
5305-00-271-2080INTERCHANGEABLE
SCREW,MACHINE
5305-00-275-9933INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-272-1499?

NSN 5305-00-272-1499 is a Screw,machine, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-272-1499?

NSN 5305-00-272-1499 has 2 cross-referenced part numbers: FFS85TYPE1STYLE10S (Federal Specifications Promulgated by General Services Administration Washington DC), 183300PC21 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5305-00-272-1499?

There are 6 known substitutes for 5305-00-272-1499: 5306-00-206-1914, 5305-00-271-2065, 5305-00-271-2067 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 183300PC21?

Key specifications for 183300PC21: Head Style: HEXAGON; Internal Drive Style: SLOT; Screw Material: STEEL CORROSION RESISTING; Thread Quantity Per Inch: 18. 18 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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