PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

620837-1Indicator,navigational

Lockheed Martin Corp · NSN 6605-00-865-8785 · FSC 6605 · No Item Name Available
Verified by PartsTable
NSN 6605-00-865-8785 — this item is cataloged by the U.S. Government under National Stock Number 6605-00-865-8785. Primary manufacturer part number: 620837-1.
Features
  • Indicator,navigational — FSC 6605
  • Reference Number Differentiating Characteristics: AS MANUFACTURED BY HUYCK SYSTEMS CO.,PART NO. 524-1
  • 4 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,navigational, cataloged under National Stock Number 6605-00-865-8785, is classified within Federal Supply Class 6605 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN6605-00-865-8785
Primary Part Number620837-1
Item NameIndicator,navigational
FSC / FSG6605 / 66 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Reference Number Differentiating CharacteristicsAS MANUFACTURED BY HUYCK SYSTEMS CO.,PART NO. 524-1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2940-00-360-7962146541 INTERCHANGEABLE
Cover,fluid Filter
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5950-00-392-6710SM-C-178688 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-804-5815 INTERCHANGEABLE
Adapter,connector
6605-00-986-0030524-10 INTERCHANGEABLE
Indicator,navigatio
L3harris Interstate Electronics Corporation
5998-01-020-1650524-1 INTERCHANGEABLE
Circuit Card Assembly
Marc Alan Group the, Inc
5955-01-046-265652-4-1 INTERCHANGEABLE
Crystal Unit,quartz
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
4730-01-057-7268 INTERCHANGEABLE
Elbow,pipe to Hose
4820-01-127-2559803-2177934-B116AF INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
5940-01-147-679710RC-2577 INTERCHANGEABLE
Terminal,quick Disconnect
Abb Installation Products Inc
6515-01-255-82145241 INTERCHANGEABLE
Mask,oronasal
Salter Labs, Llc Dba Salter Labs
Cross-Reference Index
Part NumberManufacturer
620837-1 Lockheed Martin Corp (USA)
524-1-000 L3harris Interstate Electronics Corporation (USA)
524-1 L3harris Interstate Electronics Corporation (USA)
ID995ASA47 Joint Electronics Type Designation System (USA)
Related Parts
2940-00-360-7962INTERCHANGEABLE
COVER,FLUID FILTER
146541
5950-00-392-6710INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-178688
5935-00-804-5815INTERCHANGEABLE
ADAPTER,CONNECTOR
6605-00-986-0030INTERCHANGEABLE
INDICATOR,NAVIGATIO
524-10
5998-01-020-1650INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
524-1
5955-01-046-2656INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
52-4-1
4730-01-057-7268INTERCHANGEABLE
ELBOW,PIPE TO HOSE
4820-01-127-2559INTERCHANGEABLE
VALVE,GLOBE
803-2177934-B116AF
5940-01-147-6797INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
10RC-2577
6515-01-255-8214INTERCHANGEABLE
MASK,ORONASAL
5241
5955-01-255-8254INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5331-01-284-0869INTERCHANGEABLE
O-RING
05241

Frequently Asked Questions

What is NSN 6605-00-865-8785?

NSN 6605-00-865-8785 is a Indicator,navigational, manufactured by Lockheed Martin Corp, classified under FSC 6605 (No Item Name Available). Status: active.

What are the part numbers for NSN 6605-00-865-8785?

NSN 6605-00-865-8785 has 4 cross-referenced part numbers: 620837-1 (Lockheed Martin Corp), 524-1-000 (L3harris Interstate Electronics Corporation), 524-1 (L3harris Interstate Electronics Corporation), ID995ASA47 (Joint Electronics Type Designation System).

What NSN replaces 6605-00-865-8785?

There are 12 known substitutes for 6605-00-865-8785: 2940-00-360-7962, 5950-00-392-6710, 5935-00-804-5815 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 620837-1?

Key specifications for 620837-1: Reference Number Differentiating Characteristics: AS MANUFACTURED BY HUYCK SYSTEMS CO.,PART NO. 524-1. 1 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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