PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A4399Quadrant,rudder Rop

Norfolk Naval Shipyard · NSN 2030-00-391-4457 · FSC 2030 · No Item Name Available
Verified by PartsTable
NSN 2030-00-391-4457 — this item is cataloged by the U.S. Government under National Stock Number 2030-00-391-4457. Primary manufacturer part number: A4399.
Features
  • Quadrant,rudder Rop — FSC 2030
  • 3 verified cross-references
  • Primary manufacturer: Norfolk Naval Shipyard
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Quadrant,rudder Rop, cataloged under National Stock Number 2030-00-391-4457, is classified within Federal Supply Class 2030 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Norfolk Naval Shipyard. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameQuadrant,rudder Rop
FSC / FSG2030 — No Item Name Available (FSG 20)
ManufacturersNorfolk Naval Shipyard (CAGE 81601)
Technical Specifications
ParameterValue
NSN2030-00-391-4457
Primary Part NumberA4399
Item NameQuadrant,rudder Rop
FSC / FSG2030 / 20 — No Item Name Available
ManufacturerNorfolk Naval Shipyard
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-277-5357AS5176-10 INTERCHANGEABLE
Sleeve,flared,tube Fitting
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
A4399 Norfolk Naval Shipyard (USA)
76Q50 Norfolk Naval Shipyard (USA)
N13351PCA4399 Norfolk Naval Shipyard (USA)
Related Parts
4730-00-277-5357INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
AS5176-10

Frequently Asked Questions

What is NSN 2030-00-391-4457?

NSN 2030-00-391-4457 is a Quadrant,rudder Rop, manufactured by Norfolk Naval Shipyard, classified under FSC 2030 (No Item Name Available). Status: active.

What are the part numbers for NSN 2030-00-391-4457?

NSN 2030-00-391-4457 has 3 cross-referenced part numbers: A4399 (Norfolk Naval Shipyard), 76Q50 (Norfolk Naval Shipyard), N13351PCA4399 (Norfolk Naval Shipyard).

What NSN replaces 2030-00-391-4457?

There is 1 known substitute for 2030-00-391-4457: 4730-00-277-5357. Verify interchangeability with system specifications before substitution.

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