NSN 5305-01-503-9126 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-503-9126. Manufacturer of record part number: 220-3230-4.
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-503-9126, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Efdyn Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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5305-00-001-5016 · Item name not on file
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5305-00-003-6753
5305-00-003-6753 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-503-9126?
NSN 5305-01-503-9126 is a Screw,cap,socket Head, manufactured by Efdyn Inc, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-503-9126?
NSN 5305-01-503-9126 has 1 manufacturer part number on file: 220-3230-4 (Efdyn Inc).
What are the specifications of 220-3230-4?
Key specifications for 220-3230-4: Fastener Length: 1.750 INCHES NOMINAL IN; Thread Length: 1.750 INCHES NOMINAL IN; Nominal Thread Diameter: 1.000 INCHES IN; End Item Identification: 5985-01-384-6753. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-503-9126 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.