PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PMM-1Electronic Components Assembly

Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. · NSN 5998-01-221-8609 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-221-8609 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-221-8609. Primary manufacturer part number: PMM-1.
Features
  • Electronic Components Assembly — FSC 5998
  • 5 verified cross-references
  • Primary manufacturer: Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Electronic Components Assembly, cataloged under National Stock Number 5998-01-221-8609, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-221-8609
Primary Part NumberPMM-1
Item NameElectronic Components Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerTe Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.7000 lbs
Cube0.0463 cu ft
Verified Substitutes 2
Multimeter
6625-01-320-0085PM-M1 INTERCHANGEABLE
Meter,special Scale
Marine Electric Systems Inc
Cross-Reference Index
Part NumberManufacturer
662/LK/13700/001/048 Bae Systems (defence Systems) Ltd (GBR)
662/LK/13700/001 ITEM 048 Bae Systems (defence Systems) Ltd (GBR)
PMM-1 PRIMARY Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. (USA)
PMM-1 Nova Components Ltd (GBR)
KT.XPMM.I.S Schmid Telecom Ag (CHE)
Related Parts
6625-01-457-5120SUCCESSOR
MULTIMETER
6625-01-320-0085INTERCHANGEABLE
METER,SPECIAL SCALE
PM-M1

Frequently Asked Questions

What is NSN 5998-01-221-8609?

NSN 5998-01-221-8609 is a Electronic Components Assembly, manufactured by Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc., classified under FSC 5998 (Circuit Card Assembly). Status: cancelled.

What are the part numbers for NSN 5998-01-221-8609?

NSN 5998-01-221-8609 has 5 cross-referenced part numbers: 662/LK/13700/001/048 (Bae Systems (defence Systems) Ltd), 662/LK/13700/001 ITEM 048 (Bae Systems (defence Systems) Ltd), PMM-1 (Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.), PMM-1 (Nova Components Ltd), KT.XPMM.I.S (Schmid Telecom Ag).

What NSN replaces 5998-01-221-8609?

There are 2 known substitutes for 5998-01-221-8609: 6625-01-457-5120, 6625-01-320-0085. Verify interchangeability with system specifications before substitution.

What are the specifications of PMM-1?

Key specifications for PMM-1: Special Features: CHASSIS 1; CONNECTOR 6; Part Name Assigned by Controlling Agency: FSC APPLICATION DATA:TELEPHONE AND TELEGRAPH EQUIPMENT; Special Features: CHASSIS 1; CONNECTOR 6; Part Name Assigned by Controlling Agency: FSC APPLICATION DATA:TELEPHONE AND TELEGRAPH EQUIPMENT. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5998-01-221-8609 still in active supply?

NSN 5998-01-221-8609 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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