PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51959-87Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-719-4995 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-719-4995 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-719-4995. Primary manufacturer part number: MS51959-87.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Length: 1.900 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
  • Head Style: FLAT COUNTERSUNK
  • Thread Class: 2A A
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
  • Screw Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
  • Head Diameter: 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-719-4995, 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 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-719-4995
Primary Part NumberMS51959-87
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
StatusCANCELLED
Nominal Thread Diameter0.250 INCHES IN
Thread Length1.900 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Thread Class2A A
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Head Diameter0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length2.000 INCHES NOMINAL IN
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Screw Material Document and Classification66 FED STD ALL MATERIAL RESPONSES
Thread DirectionRIGHT-HAND
Screw Surface TreatmentPASSIVATE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch20
Screw MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3110-00-156-1430 INTERCHANGEABLE
Bearing,roller,self-Aligning
5950-00-422-0388 INTERCHANGEABLE
Transformer,pulse
5962-00-553-8269 INTERCHANGEABLE
Microcircuit,digital
2920-01-101-255226214 INTERCHANGEABLE
Parts Kit,coil Arm and Solenoid
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4730-01-259-583422315 INTERCHANGEABLE
Cap,tube
Schneider Metal Mfg Co Inc Ross Temp Div
5355-01-438-2422223-15 INTERCHANGEABLE
Dial,control
Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
5920-01-644-5435223-15 INTERCHANGEABLE
Fuse,cartridge
Grove U.s. Llc Dba Grove Us Llc
Cross-Reference Index
Part NumberManufacturer
22315 Federal Screw Products, Inc. (USA)
5305PL0125740 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS51959-87 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS51959-87 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
22315ADX Airdale Express Llc Div Airdale Express (USA)
Related Parts
3110-00-156-1430INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
5950-00-422-0388INTERCHANGEABLE
TRANSFORMER,PULSE
5962-00-553-8269INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2920-01-101-2552INTERCHANGEABLE
PARTS KIT,COIL ARM AND SOLENOID
26214
4730-01-259-5834INTERCHANGEABLE
CAP,TUBE
22315
5355-01-438-2422INTERCHANGEABLE
DIAL,CONTROL
223-15
5920-01-644-5435INTERCHANGEABLE
FUSE,CARTRIDGE
223-15

Frequently Asked Questions

What is NSN 5305-00-719-4995?

NSN 5305-00-719-4995 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: cancelled.

What are the part numbers for NSN 5305-00-719-4995?

NSN 5305-00-719-4995 has 5 cross-referenced part numbers: 22315 (Federal Screw Products, Inc.), 5305PL0125740 (Jednolity Indeks Materialowy - Uniform Material Index), MS51959-87 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS51959-87 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 22315ADX (Airdale Express Llc Div Airdale Express).

What NSN replaces 5305-00-719-4995?

There are 7 known substitutes for 5305-00-719-4995: 3110-00-156-1430, 5950-00-422-0388, 5962-00-553-8269 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51959-87?

Key specifications for MS51959-87: Nominal Thread Diameter: 0.250 INCHES IN; Thread Length: 1.900 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN; Head Style: FLAT COUNTERSUNK; Thread Class: 2A A. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-719-4995 still in active supply?

NSN 5305-00-719-4995 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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