PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7520-00-138-7981Marker Assortment,tube Type

National Industries for the Blind · NSN 7520-00-138-7981 · FSC 7520 · No Item Name Available
Verified by PartsTable
Features
  • Marker Assortment,tube Type — FSC 7520
  • Nonsupply Items and Quantities: 75364 3186 MARKER 8
  • Component Quantity: 8
  • 10 verified cross-references
  • Primary manufacturer: National Industries for the Blind
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Marker Assortment,tube Type, cataloged under National Stock Number 7520-00-138-7981, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 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
NSN7520-00-138-7981
Primary Part Number7520-00-138-7981
Item NameMarker Assortment,tube Type
FSC / FSG7520 / 75 — No Item Name Available
ManufacturerNational Industries for the Blind
StatusACTIVE
Nonsupply Items and Quantities75364 3186 MARKER 8
Component Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
7520-00-051-50337520-00-051-5033 INTERCHANGEABLE
Marker,tube Type
National Industries for the Blind
7520-00-422-5768 INTERCHANGEABLE
Marker Assortment,tube Type
5133-01-120-3513 INTERCHANGEABLE
Drill,twist
4710-01-128-843536646 INTERCHANGEABLE
Tube Assembly,metal,branched
Williams International Co., L.l.c.
5340-01-129-851736646 INTERCHANGEABLE
Seat,helical Compression Spring
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5305-01-285-5619 INTERCHANGEABLE
Screw,machine
5945-01-372-2197 INTERCHANGEABLE
Relay,solid State
7520-01-390-787096023 INTERCHANGEABLE
Marker,tube Type
La-Co Industries, Inc. Dba Markal Company
5330-01-503-033916078 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4240-01-696-746116078 INTERCHANGEABLE
Faceshield,industrial
Kimberly Clark
Cross-Reference Index
Part NumberManufacturer
311WP8 Staedtler J S Inc (USA)
A67-334 Highsmith Inc. Dba Upstart (USA)
A-A-2756 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GG-M-001342 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
3186S8 Koh-I-Noor Rapidograph Inc (USA)
36646 Mono Machines Llc Dba Supply Chimp Div Mono Machines Llc Dba Supply Chimp (USA)
7520-00-138-7981 PRIMARY National Industries for the Blind (USA)
SHARPIE PRIMARY Sanford Corp (USA)
16078 Sanford (USA)
N770065 Noble Supply & Logistics, Llc (USA)
Related Parts
7520-00-051-5033INTERCHANGEABLE
MARKER,TUBE TYPE
7520-00-051-5033
7520-00-422-5768INTERCHANGEABLE
MARKER ASSORTMENT,TUBE TYPE
5133-01-120-3513INTERCHANGEABLE
DRILL,TWIST
4710-01-128-8435INTERCHANGEABLE
TUBE ASSEMBLY,METAL,BRANCHED
36646
5340-01-129-8517INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
36646
5305-01-285-5619INTERCHANGEABLE
SCREW,MACHINE
5945-01-372-2197INTERCHANGEABLE
RELAY,SOLID STATE
7520-01-390-7870INTERCHANGEABLE
MARKER,TUBE TYPE
96023
5330-01-503-0339INTERCHANGEABLE
SEAL,PLAIN ENCASED
16078
4240-01-696-7461INTERCHANGEABLE
FACESHIELD,INDUSTRIAL
16078
5305-01-723-9411INTERCHANGEABLE
SCREW,MACHINE
16078

Frequently Asked Questions

What is NSN 7520-00-138-7981?

NSN 7520-00-138-7981 is a Marker Assortment,tube Type, manufactured by National Industries for the Blind, classified under FSC 7520 (No Item Name Available). Status: active.

What are the part numbers for NSN 7520-00-138-7981?

NSN 7520-00-138-7981 has 10 cross-referenced part numbers: 311WP8 (Staedtler J S Inc), A67-334 (Highsmith Inc. Dba Upstart), A-A-2756 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), GG-M-001342 (Federal Specifications Promulgated by General Services Administration Washington DC), 3186S8 (Koh-I-Noor Rapidograph Inc) and 5 more.

What NSN replaces 7520-00-138-7981?

There are 11 known substitutes for 7520-00-138-7981: 7520-00-051-5033, 7520-00-422-5768, 5133-01-120-3513 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7520-00-138-7981?

Key specifications for 7520-00-138-7981: Special Features: BLACK,BLUE,BROWN,GREEN,ORANGE,PURPLE,RED,YELLOW; CID A-A-2756; Nonsupply Items and Quantities: 75364 3186 MARKER 8; Part Name Assigned by Controlling Agency: MARKER ASSORTMENT; Component Quantity: 8. 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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