PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33001Marker,tube Type

Sanford Corp · NSN 7520-01-536-9244 · FSC 7520 · No Item Name Available
Verified by PartsTable
NSN 7520-01-536-9244 — this item is cataloged by the U.S. Government under National Stock Number 7520-01-536-9244. Primary manufacturer part number: 33001.
Features
  • Marker,tube Type — FSC 7520
  • Refillable Feature: NOT INCLUDED
  • Tip Replaceability: NONREPLACEABLE
  • Ink Color: BLACK
  • Tip Type: FELT CHISEL
  • Ink Grade: PERMANENT
  • 5 verified cross-references
  • Primary manufacturer: Sanford Corp
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Marker,tube Type, cataloged under National Stock Number 7520-01-536-9244, is classified within Federal Supply Class 7520 (No Item Name Available) of the Office Supplies and Devices group. The primary manufacturer of record is Sanford Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN7520-01-536-9244
Primary Part Number33001
Item NameMarker,tube Type
FSC / FSG7520 / 75 — No Item Name Available
ManufacturerSanford Corp
StatusACTIVE
Refillable FeatureNOT INCLUDED
Tip ReplaceabilityNONREPLACEABLE
Ink ColorBLACK
Tip TypeFELT CHISEL
Ink GradePERMANENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-100-0228 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5905-00-295-3943 INTERCHANGEABLE
Resistor Assembly
2510-00-447-227333001 INTERCHANGEABLE
Spring Assembly,leaf
Eaton Corporation
5950-00-457-25312619902 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1560-00-564-478036854 INTERCHANGEABLE
Cell,fuel,aircraft
American Fuel Cell and Coated Fabrics Company, Llc
4710-00-718-0832124001-4CR-0134 INTERCHANGEABLE
Tube Assy
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5950-00-886-5344 INTERCHANGEABLE
Transformer,power
2840-01-126-687836854 INTERCHANGEABLE
Plate,component Mounting,aircraf
Williams International Co., L.l.c.
5950-01-153-7575583R295H02 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Support Services Corp
5930-01-289-6049 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
N770069 Noble Supply & Logistics, Llc (USA)
A113905 ITEM 12 General Dynamics Mission Systems, Inc. (USA)
33001 PRIMARY Sanford Corp (USA)
A113905 ITEM 12 General Dynamics Mission Systems, Inc. (USA)
36854 Mono Machines Llc Dba Supply Chimp Div Mono Machines Llc Dba Supply Chimp (USA)
Related Parts
3110-00-100-0228INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5905-00-295-3943INTERCHANGEABLE
RESISTOR ASSEMBLY
2510-00-447-2273INTERCHANGEABLE
SPRING ASSEMBLY,LEAF
33001
5950-00-457-2531INTERCHANGEABLE
TRANSFORMER,POWER
2619902
1560-00-564-4780INTERCHANGEABLE
CELL,FUEL,AIRCRAFT
36854
4710-00-718-0832INTERCHANGEABLE
TUBE ASSY
124001-4CR-0134
5950-00-886-5344INTERCHANGEABLE
TRANSFORMER,POWER
2840-01-126-6878INTERCHANGEABLE
PLATE,COMPONENT MOUNTING,AIRCRAF
36854
5950-01-153-7575INTERCHANGEABLE
COIL,RADIO FREQUENCY
583R295H02
5930-01-289-6049INTERCHANGEABLE
SWITCH,ROTARY
5130-01-397-9751INTERCHANGEABLE
DRILL,ELECTRIC,PORTABLE
3300-1

Frequently Asked Questions

What is NSN 7520-01-536-9244?

NSN 7520-01-536-9244 is a Marker,tube Type, manufactured by Sanford Corp, classified under FSC 7520 (No Item Name Available). Status: active.

What are the part numbers for NSN 7520-01-536-9244?

NSN 7520-01-536-9244 has 5 cross-referenced part numbers: N770069 (Noble Supply & Logistics, Llc), A113905 ITEM 12 (General Dynamics Mission Systems, Inc.), 33001 (Sanford Corp), A113905 ITEM 12 (General Dynamics Mission Systems, Inc.), 36854 (Mono Machines Llc Dba Supply Chimp Div Mono Machines Llc Dba Supply Chimp).

What NSN replaces 7520-01-536-9244?

There are 11 known substitutes for 7520-01-536-9244: 3110-00-100-0228, 5905-00-295-3943, 2510-00-447-2273 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33001?

Key specifications for 33001: Refillable Feature: NOT INCLUDED; Tip Replaceability: NONREPLACEABLE; Ink Color: BLACK; Special Features: SUPER SHARPIE; POINT TYPE IS BOLD. 6 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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