PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42520Hydrophone,sonar

L3 Technologies, Inc. Div L3harris Edo Western Corporation · NSN 5845-01-318-6544 · FSC 5845 · No Item Name Available
Verified by PartsTable
NSN 5845-01-318-6544 — this item is cataloged by the U.S. Government under National Stock Number 5845-01-318-6544. Primary manufacturer part number: 42520.
Features
  • Hydrophone,sonar — FSC 5845
  • 1 verified cross-reference
  • Primary manufacturer: L3 Technologies, Inc. Div L3harris Edo Western Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hydrophone,sonar, cataloged under National Stock Number 5845-01-318-6544, is classified within Federal Supply Class 5845 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is L3 Technologies, Inc. Div L3harris Edo Western Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5845-01-318-6544
Primary Part Number42520
Item NameHydrophone,sonar
FSC / FSG5845 / 58 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3harris Edo Western Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-101-24113018736"REV.B" INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6615-00-903-441442520 INTERCHANGEABLE
Gyroscope,displacement
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
2940-01-148-2873 INTERCHANGEABLE
Filter Element,intake Air Cleane
7510-01-264-457642520 INTERCHANGEABLE
Binder,loose-Leaf
Acco Intl Inc
5120-01-431-266042520 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
S K Hand Tool Corp
5995-01-510-464942520 INTERCHANGEABLE
Cable Assembly,power,electrical
Science Applications International Corporation Dba Saic
2920-01-583-795442520 INTERCHANGEABLE
Coil,ignition
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
42520 PRIMARY L3 Technologies, Inc. Div L3harris Edo Western Corporation (USA)
Related Parts
5950-00-101-2411INTERCHANGEABLE
TRANSFORMER,POWER
3018736"REV.B"
6615-00-903-4414INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
42520
2940-01-148-2873INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
7510-01-264-4576INTERCHANGEABLE
BINDER,LOOSE-LEAF
42520
5120-01-431-2660INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
42520
5995-01-510-4649INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
42520
2920-01-583-7954INTERCHANGEABLE
COIL,IGNITION
42520

Frequently Asked Questions

What is NSN 5845-01-318-6544?

NSN 5845-01-318-6544 is a Hydrophone,sonar, manufactured by L3 Technologies, Inc. Div L3harris Edo Western Corporation, classified under FSC 5845 (No Item Name Available). Status: active.

What are the part numbers for NSN 5845-01-318-6544?

NSN 5845-01-318-6544 has 1 cross-referenced part number: 42520 (L3 Technologies, Inc. Div L3harris Edo Western Corporation).

What NSN replaces 5845-01-318-6544?

There are 7 known substitutes for 5845-01-318-6544: 5950-00-101-2411, 6615-00-903-4414, 2940-01-148-2873 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42520?

Key specifications for 42520: End Item Identification: AN/SQQ-14 EC-7; Special Features: LOW FREQUENCY. 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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