PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16721Circuit Card Assembly

Naval Electronic Systems Security Engineering Center · NSN 5998-00-308-0148 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-308-0148 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-308-0148. Primary manufacturer part number: 16721.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Naval Electronic Systems Security Engineering Center
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-308-0148, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Naval Electronic Systems Security Engineering Center. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-00-308-0148
Primary Part Number16721
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerNaval Electronic Systems Security Engineering Center
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeVH
Weight2.0000 lbs
Cube0.6944 cu ft
Verified Substitutes 10
5950-00-007-6002 INTERCHANGEABLE
Transformer,power
5999-00-262-5325BAC3110-7A INTERCHANGEABLE
Shielding Gasket,electronic
The Boeing Company Div Defense
2530-00-495-1313220454 INTERCHANGEABLE
Chamber,air Brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
2805-00-591-1514 INTERCHANGEABLE
Ring,piston
5935-00-600-18891672-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
5940-00-847-7328012-6008-479 INTERCHANGEABLE
Terminal,stud
Itt Cannon Rf Products
4130-01-304-4951 INTERCHANGEABLE
Cooler Unit,air
7920-01-323-079316721 INTERCHANGEABLE
Scraper,vehicle Window
Hopkins Mfg Corp
5305-01-388-689016721 INTERCHANGEABLE
Screw,machine
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
4240-01-713-529016-721 INTERCHANGEABLE
Shoulder Cape
Rpb Safety Llc
Cross-Reference Index
Part NumberManufacturer
16721 Naval Electronic Systems Security Engineering Center (USA)
Related Parts
5950-00-007-6002INTERCHANGEABLE
TRANSFORMER,POWER
5999-00-262-5325INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
BAC3110-7A
2530-00-495-1313INTERCHANGEABLE
CHAMBER,AIR BRAKE
220454
2805-00-591-1514INTERCHANGEABLE
RING,PISTON
5935-00-600-1889INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1672-1
5940-00-847-7328INTERCHANGEABLE
TERMINAL,STUD
012-6008-479
4130-01-304-4951INTERCHANGEABLE
COOLER UNIT,AIR
7920-01-323-0793INTERCHANGEABLE
SCRAPER,VEHICLE WINDOW
16721
5305-01-388-6890INTERCHANGEABLE
SCREW,MACHINE
16721
4240-01-713-5290INTERCHANGEABLE
SHOULDER CAPE
16-721

Frequently Asked Questions

What is NSN 5998-00-308-0148?

NSN 5998-00-308-0148 is a Circuit Card Assembly, manufactured by Naval Electronic Systems Security Engineering Center, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-308-0148?

NSN 5998-00-308-0148 has 1 cross-referenced part number: 16721 (Naval Electronic Systems Security Engineering Center).

What NSN replaces 5998-00-308-0148?

There are 10 known substitutes for 5998-00-308-0148: 5950-00-007-6002, 5999-00-262-5325, 2530-00-495-1313 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16721?

Key specifications for 16721: End Item Identification: TSEC/KG-40 (PARALLEL), GENERATOR, ELECTRONIC KEY; End Item Identification: TSEC/KG-40 (PARALLEL), GENERATOR, ELECTRONIC KEY. 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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