PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

351B-1Pen,counterfeit Detector

Dri Mark Products Inc · NSN 7520-01-386-1621 · FSC 7520 · No Item Name Available
Verified by PartsTable
NSN 7520-01-386-1621 — this item is cataloged by the U.S. Government under National Stock Number 7520-01-386-1621. Primary manufacturer part number: 351B-1.
Features
  • Pen,counterfeit Detector — FSC 7520
  • General Characteristics Item Description: USAGE FOR WHICH DESIGNED: SHOWS WHETHER MONEY IS COUNTERFEIT OR NOT CURRENCY FOR WHICH DESIGNED TESTING CAPACITY: OVER 10,000 BILLS (WHEN STORED IN ACCORDANCE WITH INSTRUCTIONS PROVIDED) PEN MARKING COLOR: TEMPORARY LIGHT / AMBER MARK IF BILL IS AUTHENTHIC COUNTERFEIT INDICATION COLOR: DARK BROWN OR BLACK IF BILL IS SUSPECT
  • 4 verified cross-references
  • Primary manufacturer: Dri Mark Products Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pen,counterfeit Detector, cataloged under National Stock Number 7520-01-386-1621, is classified within Federal Supply Class 7520 (No Item Name Available) of the Office Supplies and Devices group. The primary manufacturer of record is Dri Mark Products Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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
NSN7520-01-386-1621
Primary Part Number351B-1
Item NamePen,counterfeit Detector
FSC / FSG7520 / 75 — No Item Name Available
ManufacturerDri Mark Products Inc
StatusACTIVE
General Characteristics Item DescriptionUSAGE FOR WHICH DESIGNED: SHOWS WHETHER MONEY IS COUNTERFEIT OR NOT CURRENCY FOR WHICH DESIGNED TESTING CAPACITY: OVER 10,000 BILLS (WHEN STORED IN ACCORDANCE WITH INSTRUCTIONS PROVIDED) PEN MARKING COLOR: TEMPORARY LIGHT / AMBER MARK IF BILL IS AUTHENTHIC COUNTERFEIT INDICATION COLOR: DARK BROWN OR BLACK IF BILL IS SUSPECT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-021-8460568529 INTERCHANGEABLE
Nut,plain,castellated,hexagon
Chrysler Realty Company Llc Dba Daimler Chrysler
5940-00-258-517510-304-2-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
351B-1 PRIMARY Dri Mark Products Inc (USA)
200045110 Ellison Systems Inc Div Shoplet.com (USA)
CFD35-1X Dri Mark Products Inc (USA)
MMF200045110 Ellison Systems Inc Div Shoplet.com (USA)
Related Parts
5310-00-021-8460INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
568529
5940-00-258-5175INTERCHANGEABLE
TERMINAL,STUD
10-304-2-01

Frequently Asked Questions

What is NSN 7520-01-386-1621?

NSN 7520-01-386-1621 is a Pen,counterfeit Detector, manufactured by Dri Mark Products Inc, classified under FSC 7520 (No Item Name Available). Status: active.

What are the part numbers for NSN 7520-01-386-1621?

NSN 7520-01-386-1621 has 4 cross-referenced part numbers: 351B-1 (Dri Mark Products Inc), 200045110 (Ellison Systems Inc Div Shoplet.com), CFD35-1X (Dri Mark Products Inc), MMF200045110 (Ellison Systems Inc Div Shoplet.com).

What NSN replaces 7520-01-386-1621?

There are 2 known substitutes for 7520-01-386-1621: 5310-00-021-8460, 5940-00-258-5175. Verify interchangeability with system specifications before substitution.

What are the specifications of 351B-1?

Key specifications for 351B-1: General Characteristics Item Description: USAGE FOR WHICH DESIGNED: SHOWS WHETHER MONEY IS COUNTERFEIT OR NOT CURRENCY FOR WHICH DESIGNED TESTING CAPACITY: OVER 10,000 BILLS (WHEN STORED IN ACCORDANCE WITH INSTRUCTIONS PROVIDED) PEN MARKING COLOR: TEMPORARY LIGHT / AMBER MARK IF BILL IS AUTHENTHIC COUNTERFEIT INDICATION COLOR: DARK BROWN OR BLACK IF BILL IS SUSPECT; Special Features: MAXIMUM IMPRINT AREA WIDTH - 0.500 FEET, MAXIMUM IMPRINT AREA LENGTH: 1.500 FEET FT. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com