PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

86-21Circuit Card Assembly

Symmetricom, Inc · NSN 5998-01-237-6048 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-237-6048 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-237-6048. Primary manufacturer part number: 86-21.
Features
  • Circuit Card Assembly — FSC 5998
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • 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 5998-01-237-6048, 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. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN5998-01-237-6048
Primary Part Number86-21
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerSymmetricom, Inc
StatusACTIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-01-157-0933 (8621)
HAZMATNo
Shelf Life Code0
Criticality CodeP
Unit of IssueEA
SMR CodeJF
Weight1.0000 lbs
Cube0.1008 cu ft
Verified Substitutes 12
6145-01-157-09338621 SUCCESSOR
Cable,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
4820-00-036-04448621 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5310-00-062-7609 INTERCHANGEABLE
Washer,flat
5935-00-417-0519 INTERCHANGEABLE
Connector,plug,electrical
5975-00-538-31338621 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5360-00-597-830458018A INTERCHANGEABLE
Spring,helical,compression
Brinkley Technology Group Llc Dba Hercules Manufacturing
5960-00-926-0211 INTERCHANGEABLE
Electron Tube
4520-01-021-189310217 INTERCHANGEABLE
Heating Element,electrical,nonim
G.s. Blodgett, Llc Div Blodgett
5120-01-110-4472 INTERCHANGEABLE
Contact Positioner,terminal Crim
6665-01-112-21308621 INTERCHANGEABLE
Probe,radiation Monitor
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
Cross-Reference Index
Part NumberManufacturer
86-21 Symmetricom, Inc (USA)
Related Parts
SUCCESSOR 6145-01-157-0933 Cable,power,electrical · 8621
4820-00-036-0444INTERCHANGEABLE
DISK,VALVE
8621
5310-00-062-7609INTERCHANGEABLE
WASHER,FLAT
5935-00-417-0519INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5975-00-538-3133INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8621
5360-00-597-8304INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
58018A
5960-00-926-0211INTERCHANGEABLE
ELECTRON TUBE
4520-01-021-1893INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
10217
5120-01-110-4472INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
6665-01-112-2130INTERCHANGEABLE
PROBE,RADIATION MONITOR
8621
5985-01-324-2849INTERCHANGEABLE
ATTENUATOR,FIXED
8621
5120-01-335-8608INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
86-21

Frequently Asked Questions

What is NSN 5998-01-237-6048?

NSN 5998-01-237-6048 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 5998-01-237-6048?

NSN 5998-01-237-6048 has 1 cross-referenced part number: 86-21 (Symmetricom, Inc).

What NSN replaces 5998-01-237-6048?

There are 12 known substitutes for 5998-01-237-6048: 6145-01-157-0933, 4820-00-036-0444, 5310-00-062-7609 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 86-21?

Key specifications for 86-21: End Item Identification: AN/FSQ-114 GEODSS; Special Features: PWB 1;CAP 21;DIODE 1;TRANSISTOR 2;RES 17;COIL 2;CRYSTAL 4; Criticality Code Justification: CBBL; Features Provided: ELECTROSTATIC SENSITIVE. 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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