PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51959-3Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-727-8833 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-727-8833 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-727-8833. Primary manufacturer part number: MS51959-3.
Features
  • Screw,machine — FSC 5305
  • Screw Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316
  • Head Style: FLAT COUNTERSUNK
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Fastener Length: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Screw Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-727-8833, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 35 commercial cross-references from 22 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-727-8833
Primary Part NumberMS51959-3
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
Screw MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316
Head StyleFLAT COUNTERSUNK
Thread DirectionRIGHT-HAND
Thread Class2A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Nominal Thread Diameter0.086 INCHES IN
Screw Surface TreatmentPASSIVATE
Thread Length0.214 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thread Quantity Per Inch56
Head Diameter0.147 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-022-7007 INTERCHANGEABLE
Screw,machine
5945-00-061-08102192962 INTERCHANGEABLE
Relay,electromagnetic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-151-9135 INTERCHANGEABLE
Ball,bearing
5945-00-246-9359PP6605-10 INTERCHANGEABLE
Relay,electromagnetic
Electro National Corp
6150-00-279-607816-202 INTERCHANGEABLE
Lead,electrical
Johnson Screens, Inc.
4320-00-288-7916PF24-3906-30BC4 INTERCHANGEABLE
Pump,centrifugal
Eaton Aerospace, Llc Dba Jackson South
5305-00-455-2507 INTERCHANGEABLE
Screw,machine
1660-00-614-207116202 INTERCHANGEABLE
Parts Kit,regulator
Mission Systems Orchard Park Inc
5305-00-619-6095 INTERCHANGEABLE
Screw,machine
1630-00-659-0312 INTERCHANGEABLE
Mounting
Cross-Reference Index
Part NumberManufacturer
40524002516 Tadiran Ltd (ISR)
10079716 Nimikkeistokeskus Ncb Finland (FIN)
418331-3 Zf Industrieantriebe Witten Gmbh (DEU)
2-56X1-4FLHST Star Stainless Screw Co (USA)
5305007278833 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
22202 Federal Screw Products, Inc. (USA)
MS35249-10 Zf Industrieantriebe Witten Gmbh (DEU)
MS51959-3 Leonardo Spa Helicopters Division - Production Site (ITA)
AN505CZR4 Zf Industrieantriebe Witten Gmbh (DEU)
16202 Federal Screw Products, Inc. (USA)
3157138-01 Zf Industrieantriebe Witten Gmbh (DEU)
Q5231-02-04 Ge Aviation Systems Llc (USA)
AN505C2-4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
22202ADX Airdale Express Llc Div Airdale Express (USA)
141700203 Elac Sonar Gmbh (DEU)
MS51959-3 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
F9-2-4L Bae Systems Information and Electronic Systems Integration Inc. (USA)
AN505C2-4 Zf Industrieantriebe Witten Gmbh (DEU)
99902996M Elbit Systems C4i and Cyber Ltd Div C4i and Cyber (ISR)
3007-0208-120 Honeywell Intl Inc Defense Avionics Systems (USA)
Related Parts
5305-00-022-7007INTERCHANGEABLE
SCREW,MACHINE
5945-00-061-0810INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2192962
3110-00-151-9135INTERCHANGEABLE
BALL,BEARING
5945-00-246-9359INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
PP6605-10
6150-00-279-6078INTERCHANGEABLE
LEAD,ELECTRICAL
16-202
4320-00-288-7916INTERCHANGEABLE
PUMP,CENTRIFUGAL
PF24-3906-30BC4
5305-00-455-2507INTERCHANGEABLE
SCREW,MACHINE
1660-00-614-2071INTERCHANGEABLE
PARTS KIT,REGULATOR
16202
5305-00-619-6095INTERCHANGEABLE
SCREW,MACHINE
1630-00-659-0312INTERCHANGEABLE
MOUNTING
5305-00-718-9448INTERCHANGEABLE
SCREW,MACHINE
5940-00-825-2383INTERCHANGEABLE
TERMINAL,LUG
101

Frequently Asked Questions

What is NSN 5305-00-727-8833?

NSN 5305-00-727-8833 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 5305-00-727-8833?

NSN 5305-00-727-8833 has 35 cross-referenced part numbers: 40524002516 (Tadiran Ltd), 10079716 (Nimikkeistokeskus Ncb Finland), 418331-3 (Zf Industrieantriebe Witten Gmbh), 2-56X1-4FLHST (Star Stainless Screw Co), 5305007278833 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales) and 30 more.

What NSN replaces 5305-00-727-8833?

There are 12 known substitutes for 5305-00-727-8833: 5305-00-022-7007, 5945-00-061-0810, 3110-00-151-9135 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51959-3?

Key specifications for MS51959-3: Screw Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316; Head Style: FLAT COUNTERSUNK; Thread Direction: RIGHT-HAND; Thread Class: 2A A. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-727-8833 still in active supply?

NSN 5305-00-727-8833 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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