PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NASM51959-103Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-01-201-9024 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-201-9024 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-201-9024. Primary manufacturer part number: NASM51959-103.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Fastener Length: 2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 18
  • Thread Length: 1.854 INCHES MINIMUM AND 2.059 INCHES MAXIMUM IN
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-201-9024, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-201-9024
Primary Part NumberNASM51959-103
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
Thread Class2A A
Thread Quantity Per Inch18
Thread Length1.854 INCHES MINIMUM AND 2.059 INCHES MAXIMUM IN
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Thread DirectionRIGHT-HAND
Nondefinitive Spec/std Data3 TYPE AND 2C STYLE
Head Diameter0.600 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Screw Surface TreatmentPASSIVATE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleFLAT COUNTERSUNK
Nominal Thread Diameter0.312 INCHES IN
Screw MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-455-2516 INTERCHANGEABLE
Screw,machine
5305-00-701-5074MS51959-63 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-719-5017MS51959-82 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-597-3577MS51959-50 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
NASM51959-103 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
FF-S-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
NASM51959 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS51959-103 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-455-2516INTERCHANGEABLE
SCREW,MACHINE
5305-00-701-5074INTERCHANGEABLE
SCREW,MACHINE
MS51959-63
5305-00-719-5017INTERCHANGEABLE
SCREW,MACHINE
MS51959-82
5305-01-597-3577INTERCHANGEABLE
SCREW,MACHINE
MS51959-50

Frequently Asked Questions

What is NSN 5305-01-201-9024?

NSN 5305-01-201-9024 is a Screw,machine, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-201-9024?

NSN 5305-01-201-9024 has 4 cross-referenced part numbers: NASM51959-103 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), FF-S-92 (Federal Specifications Promulgated by General Services Administration Washington DC), NASM51959 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS51959-103 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-01-201-9024?

There are 4 known substitutes for 5305-01-201-9024: 5305-00-455-2516, 5305-00-701-5074, 5305-00-719-5017 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NASM51959-103?

Key specifications for NASM51959-103: Internal Drive Style: CROSS RECESS TYPE 1; Fastener Length: 2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN; Thread Class: 2A A; Thread Quantity Per Inch: 18. 16 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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