PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

904386-20Screw,machine

General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems · NSN 5305-00-455-2516 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-455-2516 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-455-2516. Primary manufacturer part number: 904386-20.
Features
  • Screw,machine — FSC 5305
  • Head Style: FLAT COUNTERSUNK
  • Thread Quantity Per Inch: 40
  • Fastener Length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Screw Surface Treatment: OXIDE
  • Head Diameter: 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-455-2516, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-455-2516
Primary Part Number904386-20
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
StatusCANCELLED
Head StyleFLAT COUNTERSUNK
Thread Quantity Per Inch40
Fastener Length0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Screw Surface TreatmentOXIDE
Head Diameter0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
Nondefinitive Spec/std Data3 TYPE AND 2C STYLE
Screw MaterialSTEEL CORROSION RESISTING OR STEEL
Thread Length0.227 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Screw Material Document and ClassificationQQ-S-763,300 SERIES FED SPEC 1ST MATERIAL RESPONSE OR 66,300 SERIES FED STD 1ST MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD 2ND MATERIAL RESPONSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.112 INCHES IN
Departure From Cited DesignatorAS MODIFIED BY FINISH
Screw Surface Treatment Document and ClassificationMIL-C-13924,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Internal Drive StyleCROSS RECESS TYPE 1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
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
5305-01-201-9024 INTERCHANGEABLE
Screw,machine
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
904386-20 General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN)
418331-15 Raytheon Company Dba Raytheon (USA)
NAS M51959 M-F Services Inc (USA)
MS51959-15B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
0211-2015 Br Communications (inc) (USA)
FFS92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
99928650M Elbit Systems C4i and Cyber Ltd Div C4i and Cyber (ISR)
MS5159-15B M-F Services Inc (USA)
10125308 Nimikkeistokeskus Ncb Finland (FIN)
222391-015 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
5305-00-701-5074INTERCHANGEABLE
SCREW,MACHINE
MS51959-63
5305-00-719-5017INTERCHANGEABLE
SCREW,MACHINE
MS51959-82
5305-01-201-9024INTERCHANGEABLE
SCREW,MACHINE
5305-01-597-3577INTERCHANGEABLE
SCREW,MACHINE
MS51959-50

Frequently Asked Questions

What is NSN 5305-00-455-2516?

NSN 5305-00-455-2516 is a Screw,machine, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-455-2516?

NSN 5305-00-455-2516 has 10 cross-referenced part numbers: 904386-20 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems), 418331-15 (Raytheon Company Dba Raytheon), NAS M51959 (M-F Services Inc), MS51959-15B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 0211-2015 (Br Communications (inc)) and 5 more.

What NSN replaces 5305-00-455-2516?

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

What are the specifications of 904386-20?

Key specifications for 904386-20: Head Style: FLAT COUNTERSUNK; Thread Quantity Per Inch: 40; Fastener Length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-455-2516 still in active supply?

NSN 5305-00-455-2516 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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