PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TLL4646-1Circuit Card Assembly

I T I Electronics, Inc. · NSN 5998-01-197-5040 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-197-5040 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-197-5040. Primary manufacturer part number: TLL4646-1.
Features
  • Circuit Card Assembly — FSC 5998
  • 2 verified cross-references
  • Primary manufacturer: I T I Electronics, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-197-5040, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is I T I Electronics, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-197-5040
Primary Part NumberTLL4646-1
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerI T I Electronics, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5998-01-696-4037 (4446)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJZ
Weight1.1200 lbs
Cube0.1870 cu ft
Verified Substitutes 7
5998-01-696-40374446 SUCCESSOR
Circuit Card Assembly
Adafruit Industries Llc
5360-00-200-7125 INTERCHANGEABLE
Spring,helical,extension
6760-00-397-9632 INTERCHANGEABLE
Roll Film Back
5950-00-875-1639 INTERCHANGEABLE
Transformer,audio Frequency
6230-01-189-49974446 INTERCHANGEABLE
Handle,searchlight
Carlisle & Finch Co
5305-01-264-58924446 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
5985-01-341-2357444-6 INTERCHANGEABLE
Attenuator,fixed
Cinch Connectivity Solutions Inc
Cross-Reference Index
Part NumberManufacturer
TLL4646-1 I T I Electronics, Inc. (USA)
4446 Tellabs Operations, Inc. Dba Tellabs (USA)
Related Parts
SUCCESSOR 5998-01-696-4037 Circuit Card Assembly · 4446
5360-00-200-7125INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
6760-00-397-9632INTERCHANGEABLE
ROLL FILM BACK
5950-00-875-1639INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
6230-01-189-4997INTERCHANGEABLE
HANDLE,SEARCHLIGHT
4446
5305-01-264-5892INTERCHANGEABLE
SCREW,SHOULDER
4446
5985-01-341-2357INTERCHANGEABLE
ATTENUATOR,FIXED
444-6

Frequently Asked Questions

What is NSN 5998-01-197-5040?

NSN 5998-01-197-5040 is a Circuit Card Assembly, manufactured by I T I Electronics, Inc., classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-197-5040?

NSN 5998-01-197-5040 has 2 cross-referenced part numbers: TLL4646-1 (I T I Electronics, Inc.), 4446 (Tellabs Operations, Inc. Dba Tellabs).

What NSN replaces 5998-01-197-5040?

There are 7 known substitutes for 5998-01-197-5040: 5998-01-696-4037, 5360-00-200-7125, 6760-00-397-9632 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TLL4646-1?

Key specifications for TLL4646-1: Part Name Assigned by Controlling Agency: FSC APPLICATION DATA: TELEPHONE AND TELEGRAPH EQUIPMENT; Special Features: PRINTED WIRING BOARD 1; MODULE 10; Part Name Assigned by Controlling Agency: FSC APPLICATION DATA: TELEPHONE AND TELEGRAPH EQUIPMENT; Special Features: PRINTED WIRING BOARD 1; MODULE 10. 4 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