PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

504963Bow Door Operating

Naval Ship Systems Command · NSN 2030-00-376-4805 · FSC 2030 · No Item Name Available
Verified by PartsTable
NSN 2030-00-376-4805 — this item is cataloged by the U.S. Government under National Stock Number 2030-00-376-4805. Primary manufacturer part number: 504963.
Features
  • Bow Door Operating — FSC 2030
  • 3 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bow Door Operating, cataloged under National Stock Number 2030-00-376-4805, is classified within Federal Supply Class 2030 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Naval Ship Systems Command. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBow Door Operating
FSC / FSG2030 — No Item Name Available (FSG 20)
ManufacturersNaval Ship Systems Command (CAGE 80064); Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (CAGE 16603); Control Flow, Inc. Dba Control Flow Inc (CAGE 3X894)
Technical Specifications
ParameterValue
NSN2030-00-376-4805
Primary Part Number504963
Item NameBow Door Operating
FSC / FSG2030 / 20 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5920-00-050-4963AGS30 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5340-00-054-4551 INTERCHANGEABLE
Bumper
5307-00-264-0256504963 INTERCHANGEABLE
Stud,self-Locking
Napco International Llc Dba Napco International Inc
3120-00-339-4340 INTERCHANGEABLE
Bushing,sleeve
5955-01-221-8582 INTERCHANGEABLE
Oscillator,crystal Controlled
Cross-Reference Index
Part NumberManufacturer
504963 PRIMARY Naval Ship Systems Command (USA)
N277 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
N277 Control Flow, Inc. Dba Control Flow Inc (USA)
Related Parts
5920-00-050-4963INTERCHANGEABLE
FUSE,CARTRIDGE
AGS30
5340-00-054-4551INTERCHANGEABLE
BUMPER
5307-00-264-0256INTERCHANGEABLE
STUD,SELF-LOCKING
504963
3120-00-339-4340INTERCHANGEABLE
BUSHING,SLEEVE
5955-01-221-8582INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED

Frequently Asked Questions

What is NSN 2030-00-376-4805?

NSN 2030-00-376-4805 is a Bow Door Operating, manufactured by Naval Ship Systems Command, classified under FSC 2030 (No Item Name Available). Status: active.

What are the part numbers for NSN 2030-00-376-4805?

NSN 2030-00-376-4805 has 3 cross-referenced part numbers: 504963 (Naval Ship Systems Command), N277 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), N277 (Control Flow, Inc. Dba Control Flow Inc).

What NSN replaces 2030-00-376-4805?

There are 5 known substitutes for 2030-00-376-4805: 5920-00-050-4963, 5340-00-054-4551, 5307-00-264-0256 and 2 more. Verify interchangeability with system specifications before substitution.

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