PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221-01Marker,tube Type

Gillette Co Paper Mate Div · NSN 7520-01-381-1639 · FSC 7520 · No Item Name Available
Verified by PartsTable
NSN 7520-01-381-1639 — this item is cataloged by the U.S. Government under National Stock Number 7520-01-381-1639. Primary manufacturer part number: 221-01.
Features
  • Marker,tube Type — FSC 7520
  • Tip Type: FELT CHISEL OR FINE
  • Ink Color: BLUE
  • Pocket Clip: PROVIDED
  • Refillable Feature: NOT INCLUDED
  • Tip Replaceability: NONREPLACEABLE
  • Supplementary Features: DOUBLED END; BROAD CHISEL AND FINE NIB POINT
  • Features Provided: HIGHLIGHTER
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Marker,tube Type, cataloged under National Stock Number 7520-01-381-1639, is classified within Federal Supply Class 7520 (No Item Name Available) of the Office Supplies and Devices group. The primary manufacturer of record is Gillette Co Paper Mate Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN7520-01-381-1639
Primary Part Number221-01
Item NameMarker,tube Type
FSC / FSG7520 / 75 — No Item Name Available
ManufacturerGillette Co Paper Mate Div
StatusACTIVE
Tip TypeFELT CHISEL OR FINE
Ink ColorBLUE
Pocket ClipPROVIDED
Refillable FeatureNOT INCLUDED
Tip ReplaceabilityNONREPLACEABLE
Supplementary FeaturesDOUBLED END; BROAD CHISEL AND FINE NIB POINT
Features ProvidedHIGHLIGHTER
Ink GradeFLUORESCENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-051-955922101 INTERCHANGEABLE
Strainer Element,sediment
Doms, Incorporated Div Doms Incorporated
5940-00-234-7119 INTERCHANGEABLE
Terminal Board
3220-00-278-9817 INTERCHANGEABLE
Surfacer,woodworking
5360-00-469-011222101 INTERCHANGEABLE
Spring,helical,compression
Grove Valve Operations
4730-01-137-0330 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-01-137-0331 INTERCHANGEABLE
Nipple,pipe
4730-01-137-0332 INTERCHANGEABLE
Tee,pipe
4510-01-483-722622101 INTERCHANGEABLE
Spout,water Can
Blitz U S a Inc
4820-01-506-340422101-5 INTERCHANGEABLE
Gear Operator,valve
B.w. Elliott Manufacturing Co., Llc
4820-01-506-340722101-50 INTERCHANGEABLE
Gear Operator,valve
B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
Part NumberManufacturer
221-01 PRIMARY Gillette Co Paper Mate Div (USA)
Related Parts
4730-00-051-9559INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
22101
5940-00-234-7119INTERCHANGEABLE
TERMINAL BOARD
3220-00-278-9817INTERCHANGEABLE
SURFACER,WOODWORKING
5360-00-469-0112INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
22101
4730-01-137-0330INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-01-137-0331INTERCHANGEABLE
NIPPLE,PIPE
4730-01-137-0332INTERCHANGEABLE
TEE,PIPE
4510-01-483-7226INTERCHANGEABLE
SPOUT,WATER CAN
22101
4820-01-506-3404INTERCHANGEABLE
GEAR OPERATOR,VALVE
22101-5
4820-01-506-3407INTERCHANGEABLE
GEAR OPERATOR,VALVE
22101-50
4820-01-506-3410INTERCHANGEABLE
GEAR OPERATOR,VALVE
22101-12
4820-01-506-3412INTERCHANGEABLE
GEAR OPERATOR,VALVE
22101-25

Frequently Asked Questions

What is NSN 7520-01-381-1639?

NSN 7520-01-381-1639 is a Marker,tube Type, manufactured by Gillette Co Paper Mate Div, classified under FSC 7520 (No Item Name Available). Status: active.

What are the part numbers for NSN 7520-01-381-1639?

NSN 7520-01-381-1639 has 1 cross-referenced part number: 221-01 (Gillette Co Paper Mate Div).

What NSN replaces 7520-01-381-1639?

There are 12 known substitutes for 7520-01-381-1639: 4730-00-051-9559, 5940-00-234-7119, 3220-00-278-9817 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 221-01?

Key specifications for 221-01: Tip Type: FELT CHISEL OR FINE; Ink Color: BLUE; Pocket Clip: PROVIDED; Refillable Feature: NOT INCLUDED. 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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