PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DA7Pencil,mechanical

National Industries for the Blind · NSN 7520-01-317-6428 · FSC 7520 · No Item Name Available
Verified by PartsTable
NSN 7520-01-317-6428 — this item is cataloged by the U.S. Government under National Stock Number 7520-01-317-6428. Primary manufacturer part number: DA7.
Features
  • Pencil,mechanical — FSC 7520
  • Operating Mechanism Type: AUTOMATIC
  • Lead Nominal Diameter Size Accommodated: 0.50 MILLIMETER MM
  • Barrel Color: MAROON
  • 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 7520-01-317-6428, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN7520-01-317-6428
Primary Part NumberDA7
Item NamePencil,mechanical
FSC / FSG7520 / 75 — No Item Name Available
ManufacturerNational Industries for the Blind
StatusCANCELLED
Operating Mechanism TypeAUTOMATIC
Lead Nominal Diameter Size Accommodated0.50 MILLIMETER MM
Barrel ColorMAROON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
6220-00-299-692215C7154 INTERCHANGEABLE
Headlight
Napco International Llc Dba Napco International Inc
6650-01-141-1582DA-7 INTERCHANGEABLE
Magnifier
Donegan Optical Company Inc
7520-01-317-6140DA5 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
6150-01-415-402844283 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Brandt Electronics, Inc. Dba Brandt Electronics Inc
7520-01-451-22677520-01-451-2267 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
7520-01-451-22687520-01-451-2268 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
7520-01-451-22707520-01-451-2270 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
7520-01-451-22717520-01-451-2271 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
5310-01-546-61270120.037.01.11 INTERCHANGEABLE
Nut,self-Locking,hexagon
Fasteners Inc.
Cross-Reference Index
Part NumberManufacturer
DA7 PRIMARY National Industries for the Blind (USA)
N764910 Noble Supply & Logistics, Llc (USA)
A-A-2764 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
7520-01-317-6428 National Industries for the Blind (USA)
44283 Mono Machines Llc Dba Supply Chimp Div Mono Machines Llc Dba Supply Chimp (USA)
Related Parts
6220-00-299-6922INTERCHANGEABLE
HEADLIGHT
15C7154
6650-01-141-1582INTERCHANGEABLE
MAGNIFIER
DA-7
7520-01-317-6140INTERCHANGEABLE
PENCIL,MECHANICAL
DA5
6150-01-415-4028INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
44283
7520-01-451-2267INTERCHANGEABLE
PENCIL,MECHANICAL
7520-01-451-2267
7520-01-451-2268INTERCHANGEABLE
PENCIL,MECHANICAL
7520-01-451-2268
7520-01-451-2270INTERCHANGEABLE
PENCIL,MECHANICAL
7520-01-451-2270
7520-01-451-2271INTERCHANGEABLE
PENCIL,MECHANICAL
7520-01-451-2271
5310-01-546-6127INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
0120.037.01.11

Frequently Asked Questions

What is NSN 7520-01-317-6428?

NSN 7520-01-317-6428 is a Pencil,mechanical, manufactured by National Industries for the Blind, classified under FSC 7520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 7520-01-317-6428?

NSN 7520-01-317-6428 has 5 cross-referenced part numbers: DA7 (National Industries for the Blind), N764910 (Noble Supply & Logistics, Llc), A-A-2764 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 7520-01-317-6428 (National Industries for the Blind), 44283 (Mono Machines Llc Dba Supply Chimp Div Mono Machines Llc Dba Supply Chimp).

What NSN replaces 7520-01-317-6428?

There are 9 known substitutes for 7520-01-317-6428: 6220-00-299-6922, 6650-01-141-1582, 7520-01-317-6140 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DA7?

Key specifications for DA7: Special Features: CLUTCH ACTION MECHANISM; SLIDING SLEEVE; CUSHION POINT; TWIST ACTION NON-SMEAR EXTRA LONG ERASER 1.500 IN.; CONTAINS 3 PIECES HB LEAD; POCKET CLIP PROVIDED IN; Operating Mechanism Type: AUTOMATIC; Lead Nominal Diameter Size Accommodated: 0.50 MILLIMETER MM; Barrel Color: MAROON. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 7520-01-317-6428 still in active supply?

NSN 7520-01-317-6428 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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