PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

320-6640876FNAY-11-18Screw,machine

Naval Sea Systems Command · NSN 5305-01-419-0830 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-419-0830 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-419-0830. Primary manufacturer part number: 320-6640876FNAY-11-18.
Features
  • Screw,machine — FSC 5305
  • Criticality Code Justification: ZZZW
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HD QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 3 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-419-0830, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-419-0830
Primary Part Number320-6640876FNAY-11-18
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Criticality Code JustificationZZZW
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HD QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-071-1315 INTERCHANGEABLE
Screw,machine
5305-01-406-7434 INTERCHANGEABLE
Screw,machine
5305-01-424-1355 INTERCHANGEABLE
Screw,machine
5305-01-621-8243 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
320-6640876FNAY-11-18 Naval Sea Systems Command (USA)
MS51957-79 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
320-6640876FNAY-10-18 Naval Sea Systems Command (USA)
Related Parts
5305-00-071-1315INTERCHANGEABLE
SCREW,MACHINE
5305-01-406-7434INTERCHANGEABLE
SCREW,MACHINE
5305-01-424-1355INTERCHANGEABLE
SCREW,MACHINE
5305-01-621-8243INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-01-419-0830?

NSN 5305-01-419-0830 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-419-0830?

NSN 5305-01-419-0830 has 3 cross-referenced part numbers: 320-6640876FNAY-11-18 (Naval Sea Systems Command), MS51957-79 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 320-6640876FNAY-10-18 (Naval Sea Systems Command).

What NSN replaces 5305-01-419-0830?

There are 4 known substitutes for 5305-01-419-0830: 5305-00-071-1315, 5305-01-406-7434, 5305-01-424-1355 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 320-6640876FNAY-11-18?

Key specifications for 320-6640876FNAY-11-18: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HD QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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