PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

308818Mast Section

Mastsystem Int'l Oy · NSN 5985-01-581-4340 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-581-4340 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-581-4340. Primary manufacturer part number: 308818.
Features
  • Mast Section — FSC 5985
  • 2 verified cross-references
  • Primary manufacturer: Mastsystem Int'l Oy
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mast Section, cataloged under National Stock Number 5985-01-581-4340, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Mastsystem Int'l Oy. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMast Section
FSC / FSG5985 — No Item Name Available (FSG 59)
ManufacturersMastsystem Int'l Oy (CAGE A196G); Tim Price Inc. Dba Tim Price Inc (CAGE 097B0)
Technical Specifications
ParameterValue
NSN5985-01-581-4340
Primary Part Number308818
Item NameMast Section
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMastsystem Int'l Oy
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-00-073-9883N54112 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
6650-00-482-2009 INTERCHANGEABLE
Eyepiece,microscope
5365-01-285-3748308818 INTERCHANGEABLE
Spacer,plate
Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines
7920-01-531-0978800605 INTERCHANGEABLE
Squeegee
Minuteman International, Inc.
Cross-Reference Index
Part NumberManufacturer
308818 PRIMARY Mastsystem Int'l Oy (FIN)
800605 Tim Price Inc. Dba Tim Price Inc (USA)
Related Parts
4820-00-073-9883INTERCHANGEABLE
DISK,VALVE
N54112
6650-00-482-2009INTERCHANGEABLE
EYEPIECE,MICROSCOPE
5365-01-285-3748INTERCHANGEABLE
SPACER,PLATE
308818
7920-01-531-0978INTERCHANGEABLE
SQUEEGEE
800605

Frequently Asked Questions

What is NSN 5985-01-581-4340?

NSN 5985-01-581-4340 is a Mast Section, manufactured by Mastsystem Int'l Oy, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-581-4340?

NSN 5985-01-581-4340 has 2 cross-referenced part numbers: 308818 (Mastsystem Int'l Oy), 800605 (Tim Price Inc. Dba Tim Price Inc).

What NSN replaces 5985-01-581-4340?

There are 4 known substitutes for 5985-01-581-4340: 4820-00-073-9883, 6650-00-482-2009, 5365-01-285-3748 and 1 more. Verify interchangeability with system specifications before substitution.

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