PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121400Acoustic Device

Ultra Electronics Ocean Systems Inc. · NSN 5865-01-671-6829 · FSC 5865 · No Item Name Available
Verified by PartsTable
NSN 5865-01-671-6829 — this item is cataloged by the U.S. Government under National Stock Number 5865-01-671-6829. Primary manufacturer part number: 121400.
Features
  • Acoustic Device — FSC 5865
  • 1 verified cross-reference
  • Primary manufacturer: Ultra Electronics Ocean Systems Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Acoustic Device, cataloged under National Stock Number 5865-01-671-6829, is classified within Federal Supply Class 5865 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Ultra Electronics Ocean Systems Inc.. This item has 1 commercial cross-reference from 1 manufacturer, 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 NameAcoustic Device
FSC / FSG5865 — No Item Name Available (FSG 58)
ManufacturersUltra Electronics Ocean Systems Inc. (CAGE 2D851)
Technical Specifications
ParameterValue
NSN5865-01-671-6829
Primary Part Number121400
Item NameAcoustic Device
FSC / FSG5865 / 58 — No Item Name Available
ManufacturerUltra Electronics Ocean Systems Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-014-2432SAE J512 4 040110B INTERCHANGEABLE
Inverted Nut,tube Coupling
Sae International Dba Sae International
5310-00-276-2747107003-514 INTERCHANGEABLE
Washer,lock
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
121400 PRIMARY Ultra Electronics Ocean Systems Inc. (USA)
Related Parts
4730-00-014-2432INTERCHANGEABLE
INVERTED NUT,TUBE COUPLING
SAE J512 4 040110B
5310-00-276-2747INTERCHANGEABLE
WASHER,LOCK
107003-514

Frequently Asked Questions

What is NSN 5865-01-671-6829?

NSN 5865-01-671-6829 is a Acoustic Device, manufactured by Ultra Electronics Ocean Systems Inc., classified under FSC 5865 (No Item Name Available). Status: active.

What are the part numbers for NSN 5865-01-671-6829?

NSN 5865-01-671-6829 has 1 cross-referenced part number: 121400 (Ultra Electronics Ocean Systems Inc.).

What NSN replaces 5865-01-671-6829?

There are 2 known substitutes for 5865-01-671-6829: 4730-00-014-2432, 5310-00-276-2747. Verify interchangeability with system specifications before substitution.

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