PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ANGSM21Course Checker

Joint Electronics Type Designation System · NSN 6625-00-694-2054 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-694-2054 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-694-2054. Primary manufacturer part number: ANGSM21.
Features
  • Course Checker — FSC 6625
  • 4 verified cross-references
  • Primary manufacturer: Joint Electronics Type Designation System
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Course Checker, cataloged under National Stock Number 6625-00-694-2054, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Joint Electronics Type Designation System. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-694-2054
Primary Part NumberANGSM21
Item NameCourse Checker
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-00-194-4973 (503C553G16)
HAZMATNo
Shelf Life Code0
Criticality CodeG
Unit of IssueEA
SMR CodeYH
Verified Substitutes 12
5999-00-194-4973503C553G16 SUCCESSOR
Heater,thermal Release
Eaton Corporation Dba Eaton Inoac
5920-00-084-6045001-8435-01 INTERCHANGEABLE
Discharger,electrostatic,aircraf
Dayton-Granger, Inc.
5935-00-113-5091 INTERCHANGEABLE
Shell,electrical Connector
4320-00-146-0420H16 INTERCHANGEABLE
Ring,lantern
Circor Naval Solutions Llc Dba Warren Pumps
5955-00-267-5076H16 INTERCHANGEABLE
Crystal Unit,quartz
Kurz-Kasch Inc
5955-00-267-5077322-1012P3 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Dba Raytheon Co
5120-00-277-2342 INTERCHANGEABLE
Wrench,open End
4720-00-289-3292 INTERCHANGEABLE
Hose,preformed
5110-00-289-96575110-00-289-9657 INTERCHANGEABLE
Frame,hand Hacksaw
General Services Administration Federal Supply Service
2540-00-311-4200H16 INTERCHANGEABLE
Handle,hood
Napco International Llc Dba Napco International Inc
Cross-Reference Index
Part NumberManufacturer
AMGSM21 Joint Electronics Type Designation System (USA)
ANGSM21 PRIMARY Joint Electronics Type Designation System (USA)
16320 Cessna Aircraft Co Arc Avionics Div (USA)
H16 Cessna Aircraft Co Arc Avionics Div (USA)
Related Parts
SUCCESSOR 5999-00-194-4973 Heater,thermal Release · 503C553G16
5920-00-084-6045INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC,AIRCRAF
001-8435-01
5935-00-113-5091INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
4320-00-146-0420INTERCHANGEABLE
RING,LANTERN
H16
5955-00-267-5076INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
H16
5955-00-267-5077INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
322-1012P3
5120-00-277-2342INTERCHANGEABLE
WRENCH,OPEN END
4720-00-289-3292INTERCHANGEABLE
HOSE,PREFORMED
5110-00-289-9657INTERCHANGEABLE
FRAME,HAND HACKSAW
5110-00-289-9657
2540-00-311-4200INTERCHANGEABLE
HANDLE,HOOD
H16
5330-00-318-4069INTERCHANGEABLE
SEAL
163-20
2810-00-320-2208INTERCHANGEABLE
PLATE,OIL PUMP
16320

Frequently Asked Questions

What is NSN 6625-00-694-2054?

NSN 6625-00-694-2054 is a Course Checker, manufactured by Joint Electronics Type Designation System, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-694-2054?

NSN 6625-00-694-2054 has 4 cross-referenced part numbers: AMGSM21 (Joint Electronics Type Designation System), ANGSM21 (Joint Electronics Type Designation System), 16320 (Cessna Aircraft Co Arc Avionics Div), H16 (Cessna Aircraft Co Arc Avionics Div).

What NSN replaces 6625-00-694-2054?

There are 12 known substitutes for 6625-00-694-2054: 5999-00-194-4973, 5920-00-084-6045, 5935-00-113-5091 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ANGSM21?

Key specifications for ANGSM21: End Item Identification: AVIONICS VERY HIGH FREQUENCY OMNIRANGE, MARKER BEACON, GS; End Item Identification: AVIONICS VERY HIGH FREQUENCY OMNIRANGE, MARKER BEACON, GS. 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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