PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

86-73Circuit Card Assembly

Symmetricom, Inc · NSN 5998-01-270-8739 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-270-8739 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-270-8739. Primary manufacturer part number: 86-73.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Symmetricom, 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 5998-01-270-8739, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Symmetricom, Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-270-8739
Primary Part Number86-73
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerSymmetricom, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-988-9823 (8673)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 8
6145-00-988-98238673 SUCCESSOR
Cable,special Purpose,electrical
Belden Wire and Cable Co Wire and Cable Office
4820-00-036-0427008673 INTERCHANGEABLE
Disk,valve
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4910-00-255-86738673 INTERCHANGEABLE
Tester,internal Combustion Engin
Gsi Industries, Inc
5950-00-432-0872C213478 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon Co
5330-00-596-8035 INTERCHANGEABLE
Seal
5340-00-690-23358673 INTERCHANGEABLE
Seat,helical Compression Spring
Goodrich Corporation
5950-00-946-5355808-136 INTERCHANGEABLE
Coil,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc.
5970-01-009-26628673 INTERCHANGEABLE
Insulator,bushing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
86-73 Symmetricom, Inc (USA)
Related Parts
SUCCESSOR 6145-00-988-9823 Cable,special Purpose,electrical · 8673
4820-00-036-0427INTERCHANGEABLE
DISK,VALVE
008673
4910-00-255-8673INTERCHANGEABLE
TESTER,INTERNAL COMBUSTION ENGIN
8673
5950-00-432-0872INTERCHANGEABLE
REACTOR
C213478
5330-00-596-8035INTERCHANGEABLE
SEAL
5340-00-690-2335INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
8673
5950-00-946-5355INTERCHANGEABLE
COIL,RADIO FREQUENCY
808-136
5970-01-009-2662INTERCHANGEABLE
INSULATOR,BUSHING
8673

Frequently Asked Questions

What is NSN 5998-01-270-8739?

NSN 5998-01-270-8739 is a Circuit Card Assembly, manufactured by Symmetricom, Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-270-8739?

NSN 5998-01-270-8739 has 1 cross-referenced part number: 86-73 (Symmetricom, Inc).

What NSN replaces 5998-01-270-8739?

There are 8 known substitutes for 5998-01-270-8739: 6145-00-988-9823, 4820-00-036-0427, 4910-00-255-8673 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 86-73?

Key specifications for 86-73: Special Features: PWB 1;CAPACITOR 11;COIL ASSY 4;DETECTOR 1;TRANSISTOR 2;RESISTOR 29;TOROID 2;INTEGRATED CIRCUIT 3;CRYSTAL 3; Special Features: PWB 1;CAPACITOR 11;COIL ASSY 4;DETECTOR 1;TRANSISTOR 2;RESISTOR 29;TOROID 2;INTEGRATED CIRCUIT 3;CRYSTAL 3. 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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