PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PX-21Marker,tube Type

Eberhard Faber Inc · NSN 7520-01-238-8042 · FSC 7520 · No Item Name Available
Verified by PartsTable
NSN 7520-01-238-8042 — this item is cataloged by the U.S. Government under National Stock Number 7520-01-238-8042. Primary manufacturer part number: PX-21.
Features
  • Marker,tube Type — FSC 7520
  • Pocket Clip: NOT PROVIDED
  • Feed Type: CAPILLARY
  • Tip Type: FINE
  • Ink Color: RED
  • 8 verified cross-references
  • Primary manufacturer: Eberhard Faber Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Marker,tube Type, cataloged under National Stock Number 7520-01-238-8042, is classified within Federal Supply Class 7520 (No Item Name Available) of the Office Supplies and Devices group. The primary manufacturer of record is Eberhard Faber Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN7520-01-238-8042
Primary Part NumberPX-21
Item NameMarker,tube Type
FSC / FSG7520 / 75 — No Item Name Available
ManufacturerEberhard Faber Inc
StatusACTIVE
Pocket ClipNOT PROVIDED
Feed TypeCAPILLARY
Tip TypeFINE
Ink ColorRED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6135-00-990-1822 INTERCHANGEABLE
Battery,nonrechargeable
4210-01-125-968463702 INTERCHANGEABLE
Ball Pivot Screw,va
Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
7520-01-207-4128 INTERCHANGEABLE
Marker,tube Type
7520-01-207-415763703 INTERCHANGEABLE
Marker,tube Type
Sanford Corp
7520-01-207-415863705 INTERCHANGEABLE
Marker,tube Type
Sanford Corp
7520-01-207-4159 INTERCHANGEABLE
Marker,tube Type
Cross-Reference Index
Part NumberManufacturer
PX-21 Eberhard Faber Inc (USA)
63702 Eberhard Faber Inc (USA)
PX-21 Faber-Castell Corp (USA)
PX-21 RED Eberhard Faber Inc (USA)
63702 Staples Inc Div Staples Business Advantage (USA)
63702 Faber-Castell Corp (USA)
PX-21 RED Faber-Castell Corp (USA)
SAN-63702 George W. Allen Co., Inc. (USA)
Related Parts
6135-00-990-1822INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
4210-01-125-9684INTERCHANGEABLE
BALL PIVOT SCREW,VA
63702
7520-01-207-4128INTERCHANGEABLE
MARKER,TUBE TYPE
7520-01-207-4157INTERCHANGEABLE
MARKER,TUBE TYPE
63703
7520-01-207-4158INTERCHANGEABLE
MARKER,TUBE TYPE
63705
7520-01-207-4159INTERCHANGEABLE
MARKER,TUBE TYPE

Frequently Asked Questions

What is NSN 7520-01-238-8042?

NSN 7520-01-238-8042 is a Marker,tube Type, manufactured by Eberhard Faber Inc, classified under FSC 7520 (No Item Name Available). Status: active.

What are the part numbers for NSN 7520-01-238-8042?

NSN 7520-01-238-8042 has 8 cross-referenced part numbers: PX-21 (Eberhard Faber Inc), 63702 (Eberhard Faber Inc), PX-21 (Faber-Castell Corp), PX-21 RED (Eberhard Faber Inc), 63702 (Staples Inc Div Staples Business Advantage) and 3 more.

What NSN replaces 7520-01-238-8042?

There are 6 known substitutes for 7520-01-238-8042: 6135-00-990-1822, 4210-01-125-9684, 7520-01-207-4128 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PX-21?

Key specifications for PX-21: Special Features: QUICK-DRYING OIL BASE PAINT,MARKSOPAQUE AND GLOSSY ON ALMOST ANY SURFA C; Pocket Clip: NOT PROVIDED; Feed Type: CAPILLARY; Tip Type: FINE. 5 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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