PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20509-002Screw,shoulder

Materials Research Corp · NSN 5305-01-443-9066 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-443-9066 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-443-9066. Primary manufacturer part number: 20509-002.
Features
  • Screw,shoulder — FSC 5305
  • 1 verified cross-reference
  • Primary manufacturer: Materials Research Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-01-443-9066, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Materials Research Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-443-9066
Primary Part Number20509-002
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMaterials Research Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-01-146-9845 INTERCHANGEABLE
O-Ring
5330-01-238-4608 INTERCHANGEABLE
Seal,plain
Cross-Reference Index
Part NumberManufacturer
20509-002 Materials Research Corp (USA)
Related Parts
5331-01-146-9845INTERCHANGEABLE
O-RING
5330-01-238-4608INTERCHANGEABLE
SEAL,PLAIN

Frequently Asked Questions

What is NSN 5305-01-443-9066?

NSN 5305-01-443-9066 is a Screw,shoulder, manufactured by Materials Research Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-443-9066?

NSN 5305-01-443-9066 has 1 cross-referenced part number: 20509-002 (Materials Research Corp).

What NSN replaces 5305-01-443-9066?

There are 2 known substitutes for 5305-01-443-9066: 5331-01-146-9845, 5330-01-238-4608. Verify interchangeability with system specifications before substitution.

What are the specifications of 20509-002?

Key specifications for 20509-002: End Item Identification: VIC1. 1 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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