PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7520-00-051-5033Marker,tube Type

National Industries for the Blind · NSN 7520-00-051-5033 · FSC 7520 · No Item Name Available
Verified by PartsTable
Features
  • Marker,tube Type — FSC 7520
  • Tip Replaceability: NONREPLACEABLE
  • Ink Color: RED
  • Tip Type: FINE
  • Pocket Clip: PROVIDED
  • Feed Type: CAPILLARY
  • Refillable Feature: NOT INCLUDED
  • Ink Grade: VISUAL AID TRANSPARENCY
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Marker,tube Type, cataloged under National Stock Number 7520-00-051-5033, is classified within Federal Supply Class 7520 (No Item Name Available) of the Office Supplies and Devices group. The primary manufacturer of record is National Industries for the Blind. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN7520-00-051-5033
Primary Part Number7520-00-051-5033
Item NameMarker,tube Type
FSC / FSG7520 / 75 — No Item Name Available
ManufacturerNational Industries for the Blind
StatusACTIVE
Tip ReplaceabilityNONREPLACEABLE
Ink ColorRED
Tip TypeFINE
Pocket ClipPROVIDED
Feed TypeCAPILLARY
Refillable FeatureNOT INCLUDED
Ink GradeVISUAL AID TRANSPARENCY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4810-00-027-90941600-2 INTERCHANGEABLE
Valve,solenoid
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5960-00-134-6012 INTERCHANGEABLE
Electron Tube
7520-00-138-79817520-00-138-7981 INTERCHANGEABLE
Marker Assortment,tube Type
National Industries for the Blind
5945-00-201-861022601-1 INTERCHANGEABLE
Relay,electromagnetic
Essex Brownell Inc. Div Essex Group Inc
5905-00-914-084816002-CER6650F INTERCHANGEABLE
Resistor,fixed,wire Wound
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
3110-00-914-455516002 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Germany Gmbh & Co. Kg
5810-01-026-5604 INTERCHANGEABLE
Tseckg40 Key Generatronic
5133-01-460-172816002 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
4130-01-604-890716-002 INTERCHANGEABLE
Condenser,refrigeration
Van Steenburgh Engineering Laboratories, Inc
8145-01-647-861016002 INTERCHANGEABLE
Shipping and Storag
Naval Inventory Control Point
Cross-Reference Index
Part NumberManufacturer
7520-00-051-5033 PRIMARY National Industries for the Blind (USA)
16002 Sanford Corp (USA)
K16 RED Sanford Corp (USA)
5060-6662RED Hewlett-Packard Company Dba HP (USA)
A-A-2756 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
1012 3m Company (USA)
GG-M-001342 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
316 RED Video Marquee Inc Dba Rol-a-Chart (USA)
Related Parts
4810-00-027-9094INTERCHANGEABLE
VALVE,SOLENOID
1600-2
5960-00-134-6012INTERCHANGEABLE
ELECTRON TUBE
7520-00-138-7981INTERCHANGEABLE
MARKER ASSORTMENT,TUBE TYPE
7520-00-138-7981
5945-00-201-8610INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
22601-1
5905-00-914-0848INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
16002-CER6650F
3110-00-914-4555INTERCHANGEABLE
BEARING,BALL,ANNULAR
16002
5810-01-026-5604INTERCHANGEABLE
TSECKG40 KEY GENERATRONIC
5133-01-460-1728INTERCHANGEABLE
DRILL,TWIST
16002
4130-01-604-8907INTERCHANGEABLE
CONDENSER,REFRIGERATION
16-002
8145-01-647-8610INTERCHANGEABLE
SHIPPING AND STORAG
16002

Frequently Asked Questions

What is NSN 7520-00-051-5033?

NSN 7520-00-051-5033 is a Marker,tube Type, manufactured by National Industries for the Blind, classified under FSC 7520 (No Item Name Available). Status: active.

What are the part numbers for NSN 7520-00-051-5033?

NSN 7520-00-051-5033 has 8 cross-referenced part numbers: 7520-00-051-5033 (National Industries for the Blind), 16002 (Sanford Corp), K16 RED (Sanford Corp), 5060-6662RED (Hewlett-Packard Company Dba HP), A-A-2756 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 7520-00-051-5033?

There are 10 known substitutes for 7520-00-051-5033: 4810-00-027-9094, 5960-00-134-6012, 7520-00-138-7981 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7520-00-051-5033?

Key specifications for 7520-00-051-5033: Special Features: CID A-A-2756; Tip Replaceability: NONREPLACEABLE; Ink Color: RED; Tip Type: FINE. 8 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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