PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51959-18Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-763-7827 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-763-7827 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-763-7827. Primary manufacturer part number: MS51959-18.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 0.112 INCHES IN
  • Screw Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES
  • Thread Class: 2A A
  • Head Style: FLAT COUNTERSUNK
  • Thread Quantity Per Inch: 40
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-763-7827, 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 16 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-763-7827
Primary Part NumberMS51959-18
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 Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.112 INCHES IN
Screw Material Document and Classification66 FED STD ALL MATERIAL RESPONSES
Thread Class2A A
Head StyleFLAT COUNTERSUNK
Thread Quantity Per Inch40
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
Thread Length0.575 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Head Diameter0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.625 INCHES NOMINAL IN
Screw Surface TreatmentPASSIVATE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5305-00-022-7061 INTERCHANGEABLE
Screw,machine
3110-00-155-745507100-07204 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
6645-00-371-1859 INTERCHANGEABLE
Hairspring
5305-00-410-0638418331-18 INTERCHANGEABLE
Screw,special
Raytheon Company Dba Raytheon
6240-00-851-435210051850 INTERCHANGEABLE
Lamp,incandescent
Us Army Aviation and Missile Command
6920-00-894-7380 INTERCHANGEABLE
Blade
3455-01-130-245819640 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
7050-01-588-821722227 INTERCHANGEABLE
Memory,portable,solid State
Pinnacle Systems Inc
4320-01-656-659322227 INTERCHANGEABLE
Shaft,transmission,pump
Itt Jabsco Products
Cross-Reference Index
Part NumberManufacturer
20000571L Elbit Systems C4i and Cyber Ltd Div C4i and Cyber (ISR)
418198-18 Raytheon Company Dba Raytheon (USA)
10125472 Nimikkeistokeskus Ncb Finland (FIN)
P342-0049-000 Allied Products Corp Pheoll Mfg Co Div (USA)
5305PL1388781 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS51959-18 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
22227 Federal Screw Products, Inc. (USA)
MS35249-25 Zf Industrieantriebe Witten Gmbh (DEU)
245128 Sinclair Technologies Inc. (CAN)
MS51959-18 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
40524003816 Tadiran Ltd (ISR)
5305PL1336508 Jednolity Indeks Materialowy - Uniform Material Index (POL)
418331-18 Zf Industrieantriebe Witten Gmbh (DEU)
674662-18 Raytheon Company Dba Raytheon (USA)
177005-83 Zf Industrieantriebe Witten Gmbh (DEU)
A1AMD0410G Allmetal Screw Products Corp (USA)
Related Parts
5305-00-022-7061INTERCHANGEABLE
SCREW,MACHINE
3110-00-155-7455INTERCHANGEABLE
BEARING,ROLLER,TAPERED
07100-07204
6645-00-371-1859INTERCHANGEABLE
HAIRSPRING
5305-00-410-0638INTERCHANGEABLE
SCREW,SPECIAL
418331-18
6240-00-851-4352INTERCHANGEABLE
LAMP,INCANDESCENT
10051850
6920-00-894-7380INTERCHANGEABLE
BLADE
3455-01-130-2458INTERCHANGEABLE
REAMER,MACHINE
19640
7050-01-588-8217INTERCHANGEABLE
MEMORY,PORTABLE,SOLID STATE
22227
4320-01-656-6593INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
22227

Frequently Asked Questions

What is NSN 5305-00-763-7827?

NSN 5305-00-763-7827 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 5305-00-763-7827?

NSN 5305-00-763-7827 has 16 cross-referenced part numbers: 20000571L (Elbit Systems C4i and Cyber Ltd Div C4i and Cyber), 418198-18 (Raytheon Company Dba Raytheon), 10125472 (Nimikkeistokeskus Ncb Finland), P342-0049-000 (Allied Products Corp Pheoll Mfg Co Div), 5305PL1388781 (Jednolity Indeks Materialowy - Uniform Material Index) and 11 more.

What NSN replaces 5305-00-763-7827?

There are 9 known substitutes for 5305-00-763-7827: 5305-00-022-7061, 3110-00-155-7455, 6645-00-371-1859 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51959-18?

Key specifications for MS51959-18: Screw Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Thread Direction: RIGHT-HAND; Nominal Thread Diameter: 0.112 INCHES IN; Screw Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-763-7827 still in active supply?

NSN 5305-00-763-7827 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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