PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

306957Mast Section

Mastsystem Int'l Oy · NSN 5985-01-581-4349 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-581-4349 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-581-4349. Primary manufacturer part number: 306957.
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 5985-01-581-4349, 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. 2 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
NSN5985-01-581-4349
Primary Part Number306957
Item NameMast Section
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMastsystem Int'l Oy
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-450-3271GS839DV4 INTERCHANGEABLE
Switch,proximity
Northrop Grumman Systems Corporation
5306-01-365-176380060-6 INTERCHANGEABLE
Bolt,eye
L3harris Technologies, Inc. Div Space and Airborne Systems
Cross-Reference Index
Part NumberManufacturer
306957 PRIMARY Mastsystem Int'l Oy (FIN)
800606 Tim Price Inc. Dba Tim Price Inc (USA)
Related Parts
5930-00-450-3271INTERCHANGEABLE
SWITCH,PROXIMITY
GS839DV4
5306-01-365-1763INTERCHANGEABLE
BOLT,EYE
80060-6

Frequently Asked Questions

What is NSN 5985-01-581-4349?

NSN 5985-01-581-4349 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 5985-01-581-4349?

NSN 5985-01-581-4349 has 2 cross-referenced part numbers: 306957 (Mastsystem Int'l Oy), 800606 (Tim Price Inc. Dba Tim Price Inc).

What NSN replaces 5985-01-581-4349?

There are 2 known substitutes for 5985-01-581-4349: 5930-00-450-3271, 5306-01-365-1763. Verify interchangeability with system specifications before substitution.

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