PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

303183Mast Section

Mastsystem Int'l Oy · NSN 5985-01-581-4397 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-581-4397 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-581-4397. Primary manufacturer part number: 303183.
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 5985-01-581-4397, 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. 6 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)
ManufacturersTim Price Inc. Dba Tim Price Inc (CAGE 097B0); Mastsystem Int'l Oy (CAGE A196G)
Technical Specifications
ParameterValue
NSN5985-01-581-4397
Primary Part Number303183
Item NameMast Section
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMastsystem Int'l Oy
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-450-3271GS839DV4 INTERCHANGEABLE
Switch,proximity
Northrop Grumman Systems Corporation
2520-00-646-70577371022 INTERCHANGEABLE
Parts Kit,driving Axle Different
U S Army Tank Automotive Command Amsta-Im-Mm
5905-00-943-9073303-0183-00 INTERCHANGEABLE
Resistor,fixed,composition
Tektronix, Inc.
5998-01-074-7766303183 INTERCHANGEABLE
Circuit Card Assembly
Telemechanics Inc
5305-01-170-77562733878 INTERCHANGEABLE
Screw,cap,socket Head
Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div
6110-01-503-238580-0608 INTERCHANGEABLE
Panel,power Distribution
Rsi Inc
Cross-Reference Index
Part NumberManufacturer
800608 Tim Price Inc. Dba Tim Price Inc (USA)
303183 PRIMARY Mastsystem Int'l Oy (FIN)
Related Parts
5930-00-450-3271INTERCHANGEABLE
SWITCH,PROXIMITY
GS839DV4
2520-00-646-7057INTERCHANGEABLE
PARTS KIT,DRIVING AXLE DIFFERENT
7371022
5905-00-943-9073INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
303-0183-00
5998-01-074-7766INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
303183
5305-01-170-7756INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
2733878
6110-01-503-2385INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
80-0608

Frequently Asked Questions

What is NSN 5985-01-581-4397?

NSN 5985-01-581-4397 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 5985-01-581-4397?

NSN 5985-01-581-4397 has 2 cross-referenced part numbers: 800608 (Tim Price Inc. Dba Tim Price Inc), 303183 (Mastsystem Int'l Oy).

What NSN replaces 5985-01-581-4397?

There are 6 known substitutes for 5985-01-581-4397: 5930-00-450-3271, 2520-00-646-7057, 5905-00-943-9073 and 3 more. Verify interchangeability with system specifications before substitution.

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