PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FB30Buoy,marker

Rotocast Plastic Products of Texas Inc · NSN 2050-01-341-3839 · FSC 2050 · No Item Name Available
Verified by PartsTable
NSN 2050-01-341-3839 — this item is cataloged by the U.S. Government under National Stock Number 2050-01-341-3839. Primary manufacturer part number: FB30.
Features
  • Buoy,marker — FSC 2050
  • 4 verified cross-references
  • Primary manufacturer: Rotocast Plastic Products of Texas Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Buoy,marker, cataloged under National Stock Number 2050-01-341-3839, is classified within Federal Supply Class 2050 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Rotocast Plastic Products of Texas Inc. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2050-01-341-3839
Primary Part NumberFB30
Item NameBuoy,marker
FSC / FSG2050 / 20 — No Item Name Available
ManufacturerRotocast Plastic Products of Texas Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-024-6331 INTERCHANGEABLE
Disk,valve
4730-00-068-8608148-2000-4 INTERCHANGEABLE
Adapter,straight,tube to Hose
Hydrasearch Company, Llc
7310-00-228-1589FB30 INTERCHANGEABLE
Fryer,deep Fat
Stein Inc
5315-00-402-8728 INTERCHANGEABLE
Pin,quick Release
3030-00-528-4529511-0037 INTERCHANGEABLE
Belt,v
Cummins Power Generation Inc.
6635-00-578-5286 INTERCHANGEABLE
Tester,spring Resiliency
5950-00-672-9329 INTERCHANGEABLE
Coil,radio Frequency
1680-00-858-45214404 INTERCHANGEABLE
Plate,adjusting,sea
Lockheed Martin Corp
4820-00-919-3587 INTERCHANGEABLE
Poppet,valve
5945-00-919-7749700-2 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
FB30 PRIMARY Rotocast Plastic Products of Texas Inc (USA)
4404 Cal-June, Inc. Dba Jim-Buoy Div Jim-Buoy (USA)
13228E5308 Cecom Lr Center (USA)
2436A Rolyan Mfr Co Inc (USA)
Related Parts
4820-00-024-6331INTERCHANGEABLE
DISK,VALVE
4730-00-068-8608INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
148-2000-4
7310-00-228-1589INTERCHANGEABLE
FRYER,DEEP FAT
FB30
5315-00-402-8728INTERCHANGEABLE
PIN,QUICK RELEASE
3030-00-528-4529INTERCHANGEABLE
BELT,V
511-0037
6635-00-578-5286INTERCHANGEABLE
TESTER,SPRING RESILIENCY
5950-00-672-9329INTERCHANGEABLE
COIL,RADIO FREQUENCY
1680-00-858-4521INTERCHANGEABLE
PLATE,ADJUSTING,SEA
4404
4820-00-919-3587INTERCHANGEABLE
POPPET,VALVE
5945-00-919-7749INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
700-2
6240-00-931-6686INTERCHANGEABLE
LAMP,INCANDESCENT
4416
4820-00-953-1657INTERCHANGEABLE
VALVE,GLOBE
4404

Frequently Asked Questions

What is NSN 2050-01-341-3839?

NSN 2050-01-341-3839 is a Buoy,marker, manufactured by Rotocast Plastic Products of Texas Inc, classified under FSC 2050 (No Item Name Available). Status: active.

What are the part numbers for NSN 2050-01-341-3839?

NSN 2050-01-341-3839 has 4 cross-referenced part numbers: FB30 (Rotocast Plastic Products of Texas Inc), 4404 (Cal-June, Inc. Dba Jim-Buoy Div Jim-Buoy), 13228E5308 (Cecom Lr Center), 2436A (Rolyan Mfr Co Inc).

What NSN replaces 2050-01-341-3839?

There are 12 known substitutes for 2050-01-341-3839: 4820-00-024-6331, 4730-00-068-8608, 7310-00-228-1589 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FB30?

Key specifications for FB30: End Item Identification: 1945-01-218-7268; Special Features: PLASTIC HULL, POLYURETHANE OR POLYETHYLENE FOAM FILLED; NET BUOYANCY OF 400 LBS. MIN. WHEN SUBMERGED IN WATER LBS. 2 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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