PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7520-01-386-1581Pencil,mechanical

National Industries for the Blind · NSN 7520-01-386-1581 · FSC 7520 · No Item Name Available
Verified by PartsTable
Features
  • Pencil,mechanical — FSC 7520
  • Supplementary Features: REPLACEMENT ERASER 7510-01-332-8794; REPLACEMENT LEAD 7510-01-317-6421
  • Lead Nominal Diameter Size Accommodated: 0.50 MILLIMETER MM
  • Operating Mechanism Type: AUTOMATIC
  • 5 verified cross-references
  • Primary manufacturer: National Industries for the Blind
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pencil,mechanical, cataloged under National Stock Number 7520-01-386-1581, 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 3 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN7520-01-386-1581
Primary Part Number7520-01-386-1581
Item NamePencil,mechanical
FSC / FSG7520 / 75 — No Item Name Available
ManufacturerNational Industries for the Blind
StatusACTIVE
Supplementary FeaturesREPLACEMENT ERASER 7510-01-332-8794; REPLACEMENT LEAD 7510-01-317-6421
Lead Nominal Diameter Size Accommodated0.50 MILLIMETER MM
Operating Mechanism TypeAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-024-3765666693-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
7520-00-161-5664100CP INTERCHANGEABLE
Pencil,mechanical
Dixon Ticonderoga Co
7520-00-268-99157520-00-268-9915 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
7520-00-268-99167520-00-268-9916 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
1720-00-316-039444356 INTERCHANGEABLE
Key
Eaton Aerospace, Llc Dba Jackson South
7520-00-590-18787520-00-590-1878 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
2530-00-709-955907-858233 INTERCHANGEABLE
Line
Tvh Parts Co.
5950-00-728-0228328356-1 INTERCHANGEABLE
Transformer,pulse
Raytheon Company
6640-00-937-7911 INTERCHANGEABLE
Dish,culture,petri
5930-01-043-616344356 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
7520-01-386-1581 PRIMARY National Industries for the Blind (USA)
N764893 Noble Supply & Logistics, Llc (USA)
44356 Mono Machines Llc Dba Supply Chimp Div Mono Machines Llc Dba Supply Chimp (USA)
TD-100 .5 MM National Industries for the Blind (USA)
A-A-723 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5950-00-024-3765INTERCHANGEABLE
TRANSFORMER,POWER
666693-1
7520-00-161-5664INTERCHANGEABLE
PENCIL,MECHANICAL
100CP
7520-00-268-9915INTERCHANGEABLE
PENCIL,MECHANICAL
7520-00-268-9915
7520-00-268-9916INTERCHANGEABLE
PENCIL,MECHANICAL
7520-00-268-9916
1720-00-316-0394INTERCHANGEABLE
KEY
44356
7520-00-590-1878INTERCHANGEABLE
PENCIL,MECHANICAL
7520-00-590-1878
2530-00-709-9559INTERCHANGEABLE
LINE
07-858233
5950-00-728-0228INTERCHANGEABLE
TRANSFORMER,PULSE
328356-1
6640-00-937-7911INTERCHANGEABLE
DISH,CULTURE,PETRI
5930-01-043-6163INTERCHANGEABLE
SWITCH,FLOW
44356
7520-01-132-4996INTERCHANGEABLE
PENCIL,MECHANICAL
4996-LC
7520-01-424-4864INTERCHANGEABLE
PENCIL,MECHANICAL
7520-01-424-4864

Frequently Asked Questions

What is NSN 7520-01-386-1581?

NSN 7520-01-386-1581 is a Pencil,mechanical, manufactured by National Industries for the Blind, classified under FSC 7520 (No Item Name Available). Status: active.

What are the part numbers for NSN 7520-01-386-1581?

NSN 7520-01-386-1581 has 5 cross-referenced part numbers: 7520-01-386-1581 (National Industries for the Blind), N764893 (Noble Supply & Logistics, Llc), 44356 (Mono Machines Llc Dba Supply Chimp Div Mono Machines Llc Dba Supply Chimp), TD-100 .5 MM (National Industries for the Blind), A-A-723 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 7520-01-386-1581?

There are 12 known substitutes for 7520-01-386-1581: 5950-00-024-3765, 7520-00-161-5664, 7520-00-268-9915 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7520-01-386-1581?

Key specifications for 7520-01-386-1581: Supplementary Features: REPLACEMENT ERASER 7510-01-332-8794; REPLACEMENT LEAD 7510-01-317-6421; Special Features: BLUE RIBBED ERGONOMIC GRIP, TRANSLUCENT BARREL, TWIST ACTION ERASER MECHANISM; Lead Nominal Diameter Size Accommodated: 0.50 MILLIMETER MM; Operating Mechanism Type: AUTOMATIC. 4 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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