PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6654Oscillator Subassembly

L3 Technologies, Inc. Div Communication Systems-West · NSN 5955-01-057-2421 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-057-2421 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-057-2421. Primary manufacturer part number: 6654.
Features
  • Oscillator Subassembly — FSC 5955
  • 1 verified cross-reference
  • Primary manufacturer: L3 Technologies, Inc. Div Communication Systems-West
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Oscillator Subassembly, cataloged under National Stock Number 5955-01-057-2421, is classified within Federal Supply Class 5955 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3 Technologies, Inc. Div Communication Systems-West. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5955-01-057-2421
Primary Part Number6654
Item NameOscillator Subassembly
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-West
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-061-629044474 INTERCHANGEABLE
Drill,twist
Greenfield Industries Inc
5307-00-347-47266654 INTERCHANGEABLE
Stud,plain
Dayton-Walther Corp
4720-00-430-3264 INTERCHANGEABLE
Hose Assembly,nonmetallic
2530-00-736-611510NB0938 INTERCHANGEABLE
Arm Lever Hand Brak
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
2920-00-785-08331113847 INTERCHANGEABLE
Starter Engine Elec
Borgwarner Pds (anderson), L.l.c.
5950-00-795-29351067249 INTERCHANGEABLE
Transformer,audio Frequency
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5330-00-874-20186654 INTERCHANGEABLE
Packing,preformed
Liquid Controls, L.l.c. Div Idex Corporation
6145-00-982-9666665/4 INTERCHANGEABLE
Cable,power,electrical
Belden, Inc.
5325-01-219-01416654 INTERCHANGEABLE
Ring,retaining
Aerocontrolex Group, Inc. Div Talley Actuators
5985-01-350-1104RAG22 INTERCHANGEABLE
Antenna Control Subassembly
Vaisala Inc.
Cross-Reference Index
Part NumberManufacturer
6654 PRIMARY L3 Technologies, Inc. Div Communication Systems-West (USA)
Related Parts
5133-00-061-6290INTERCHANGEABLE
DRILL,TWIST
44474
5307-00-347-4726INTERCHANGEABLE
STUD,PLAIN
6654
4720-00-430-3264INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2530-00-736-6115INTERCHANGEABLE
ARM LEVER HAND BRAK
10NB0938
2920-00-785-0833INTERCHANGEABLE
STARTER ENGINE ELEC
1113847
5950-00-795-2935INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1067249
5330-00-874-2018INTERCHANGEABLE
PACKING,PREFORMED
6654
6145-00-982-9666INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
665/4
5325-01-219-0141INTERCHANGEABLE
RING,RETAINING
6654
5985-01-350-1104INTERCHANGEABLE
ANTENNA CONTROL SUBASSEMBLY
RAG22
4820-01-417-1471INTERCHANGEABLE
CARTRIDGE,STOP-CHECK VALVE
665-4
5999-01-439-9640INTERCHANGEABLE
CONTACT KIT,ELECTRICAL
6-65-4

Frequently Asked Questions

What is NSN 5955-01-057-2421?

NSN 5955-01-057-2421 is a Oscillator Subassembly, manufactured by L3 Technologies, Inc. Div Communication Systems-West, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-01-057-2421?

NSN 5955-01-057-2421 has 1 cross-referenced part number: 6654 (L3 Technologies, Inc. Div Communication Systems-West).

What NSN replaces 5955-01-057-2421?

There are 12 known substitutes for 5955-01-057-2421: 5133-00-061-6290, 5307-00-347-4726, 4720-00-430-3264 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6654?

Key specifications for 6654: Special Features: 1.0 MHZ NOM OUTPUT CHANNEL; CONTINUOUS FREQUENCY ADJUSTMENT; 8.0 VDC NOM SINGLE EXTERNAL OPERATING VOLTAGE MHz. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com