PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51959-83Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-719-5007 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-719-5007 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-719-5007. Primary manufacturer part number: MS51959-83.
Features
  • Screw,machine — FSC 5305
  • Thread Length: 0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
  • Head Style: FLAT COUNTERSUNK
  • Screw Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES
  • Thread Quantity Per Inch: 20
  • Screw Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
  • Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-719-5007, 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 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-719-5007
Primary Part NumberMS51959-83
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
Thread Length0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Screw Material Document and Classification66 FED STD ALL MATERIAL RESPONSES
Thread Quantity Per Inch20
Screw MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Nominal Thread Diameter0.250 INCHES IN
Screw Surface TreatmentPASSIVATE
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length1.000 INCHES NOMINAL IN
Head Diameter0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5330-00-146-722523310 INTERCHANGEABLE
Gasket
Barksdale, Inc
5136-00-197-9307402514 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
5306-00-620-8294MS20073-04-05 INTERCHANGEABLE
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3120-00-690-9635LS3859-4-34 INTERCHANGEABLE
Bushing,sleeve
Lockheed Martin Corp
5130-01-329-6760 INTERCHANGEABLE
Brush,wire,rotary End
Cross-Reference Index
Part NumberManufacturer
0844V099 Morris Material Handling, Inc. (USA)
AESC250A00SH8A31 The American Society of Mechanical Engineers (USA)
MS51959-83 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
0.250-20UNC-2AX 1.000LG Zf Industrieantriebe Witten Gmbh (DEU)
MS51959-83 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
AESC1C250A00SH8A31 The American Society of Mechanical Engineers (USA)
608-7120913 ITEM 51 Naval Sea Systems Command (USA)
5000 416607 L3harris Maritime Power & Energy Solutions, Inc (USA)
23310 Federal Screw Products, Inc. (USA)
Related Parts
5330-00-146-7225INTERCHANGEABLE
GASKET
23310
5136-00-197-9307INTERCHANGEABLE
DIE,THREAD CUTTING
402514
5306-00-620-8294INTERCHANGEABLE
BOLT,MACHINE
MS20073-04-05
3120-00-690-9635INTERCHANGEABLE
BUSHING,SLEEVE
LS3859-4-34
5130-01-329-6760INTERCHANGEABLE
BRUSH,WIRE,ROTARY END

Frequently Asked Questions

What is NSN 5305-00-719-5007?

NSN 5305-00-719-5007 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 5305-00-719-5007?

NSN 5305-00-719-5007 has 9 cross-referenced part numbers: 0844V099 (Morris Material Handling, Inc.), AESC250A00SH8A31 (The American Society of Mechanical Engineers), MS51959-83 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 0.250-20UNC-2AX 1.000LG (Zf Industrieantriebe Witten Gmbh), MS51959-83 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 4 more.

What NSN replaces 5305-00-719-5007?

There are 5 known substitutes for 5305-00-719-5007: 5330-00-146-7225, 5136-00-197-9307, 5306-00-620-8294 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51959-83?

Key specifications for MS51959-83: Thread Length: 0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Head Style: FLAT COUNTERSUNK; Screw Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES; End Item Identification: MRAP - M-ATV; ARMORED MULTI-PURPOSE VEHICLE (AMPV). 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-719-5007 still in active supply?

NSN 5305-00-719-5007 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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