PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3645Circuit Card Assembly

Naval Electronic Systems Security Engineering Center · NSN 5998-00-827-2007 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-827-2007 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-827-2007. Primary manufacturer part number: 3645.
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 5998-00-827-2007, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-00-827-2007
Primary Part Number3645
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerNaval Electronic Systems Security Engineering Center
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-01-498-4726 (3645)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJO
Verified Substitutes 12
6145-01-498-47263645 SUCCESSOR
Wire,electrical
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
7025-01-553-74913645 SUCCESSOR
Display Unit
International Bus Mchs Corp Dba I B M Div Microelectronics Division
5930-00-163-72063645 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
5120-00-176-38601700 INTERCHANGEABLE
Tool,upper Seat
Lawler Manufacturing Company, Inc.
1730-00-294-28963645 INTERCHANGEABLE
Sling,aircraft Maintenance
Allison Transmission Inc Dba Allison Transmission, Inc
5330-00-841-5208 INTERCHANGEABLE
Seal,plain Encased
2530-00-846-2379 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
6515-01-005-7329DYND40972 INTERCHANGEABLE
Suction Kit,tracheal
Medline Industries, Lp
6550-01-024-3989 INTERCHANGEABLE
Blood Collecting-Culture Bottle
5331-01-058-4563 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
3645 Naval Electronic Systems Security Engineering Center (USA)
Related Parts
SUCCESSOR 6145-01-498-4726 Wire,electrical · 3645
7025-01-553-7491SUCCESSOR
DISPLAY UNIT
3645
5930-00-163-7206INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
3645
5120-00-176-3860INTERCHANGEABLE
TOOL,UPPER SEAT
1700
1730-00-294-2896INTERCHANGEABLE
SLING,AIRCRAFT MAINTENANCE
3645
5330-00-841-5208INTERCHANGEABLE
SEAL,PLAIN ENCASED
2530-00-846-2379INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
6515-01-005-7329INTERCHANGEABLE
SUCTION KIT,TRACHEAL
DYND40972
6550-01-024-3989INTERCHANGEABLE
BLOOD COLLECTING-CULTURE BOTTLE
5331-01-058-4563INTERCHANGEABLE
O-RING
6610-01-112-6839INTERCHANGEABLE
SHROUD
3645
2940-01-187-2341INTERCHANGEABLE
INDICATOR,FILTER WARNING,VEHICUL

Frequently Asked Questions

What is NSN 5998-00-827-2007?

NSN 5998-00-827-2007 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 5998-00-827-2007?

NSN 5998-00-827-2007 has 1 cross-referenced part number: 3645 (Naval Electronic Systems Security Engineering Center).

What NSN replaces 5998-00-827-2007?

There are 12 known substitutes for 5998-00-827-2007: 6145-01-498-4726, 7025-01-553-7491, 5930-00-163-7206 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3645?

Key specifications for 3645: Overall Length: 6.486 INCHES NOMINAL IN; Overall Height: 0.718 INCHES NOMINAL IN; Overall Width: 4.437 INCHES NOMINAL IN; Special Features: CAPACITORS,FIXED,MICA 16; PRINTED WIRING BOARD 1; RESISTORS,FIXED,COMPOSITION 40; RIVETS 3; SEMICONDUCTOR DEVICES,DIODE 32; TRANSISTORS 8; TRANSISTOR MOUNTINGS 8. 8 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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