PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3550JLock Plate

Porta Drill Inc · NSN 2520-00-459-6246 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-459-6246 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-459-6246. Primary manufacturer part number: 3550J.
Features
  • Lock Plate — FSC 2520
  • 1 verified cross-reference
  • Primary manufacturer: Porta Drill Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lock Plate, cataloged under National Stock Number 2520-00-459-6246, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Porta Drill Inc. 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.

Catalog Facts
Item NameLock Plate
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersPorta Drill Inc (CAGE 66155)
Technical Specifications
ParameterValue
NSN2520-00-459-6246
Primary Part Number3550J
Item NameLock Plate
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerPorta Drill Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-529-17335291733 INTERCHANGEABLE
Locking Plate,nut and Bolt
U S Army Tank Automotive Command Amsta-Im-Mm
5962-01-035-8549GM820ABC1 INTERCHANGEABLE
Microcircuit,linear
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
3550J PRIMARY Porta Drill Inc (USA)
Related Parts
5340-00-529-1733INTERCHANGEABLE
LOCKING PLATE,NUT AND BOLT
5291733
5962-01-035-8549INTERCHANGEABLE
MICROCIRCUIT,LINEAR
GM820ABC1

Frequently Asked Questions

What is NSN 2520-00-459-6246?

NSN 2520-00-459-6246 is a Lock Plate, manufactured by Porta Drill Inc, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-459-6246?

NSN 2520-00-459-6246 has 1 cross-referenced part number: 3550J (Porta Drill Inc).

What NSN replaces 2520-00-459-6246?

There are 2 known substitutes for 2520-00-459-6246: 5340-00-529-1733, 5962-01-035-8549. Verify interchangeability with system specifications before substitution.

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