PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21749Circuit Card Assembly

L3 Technologies, Inc. Div Communication Systems-West · NSN 5998-01-132-3767 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-132-3767 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-132-3767. Primary manufacturer part number: 21749.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: L3 Technologies, Inc. Div Communication Systems-West
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-132-3767, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3 Technologies, Inc. Div Communication Systems-West. 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
NSN5998-01-132-3767
Primary Part Number21749
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerL3 Technologies, Inc. Div Communication Systems-West
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeT
Unit of IssueEA
SMR CodeZT
Weight0.5000 lbs
Cube0.1937 cu ft
Verified Substitutes 12
6625-00-720-28158462 SUCCESSOR
Lead Set,test
Gc/waldom Inc
2925-00-156-44958640279P1 INTERCHANGEABLE
Body
General Electric Company
3455-00-580-849321749 INTERCHANGEABLE
Blade,hole Saw
Black and Decker Us Inc
5330-00-599-645234925 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5340-00-737-2351021749 INTERCHANGEABLE
Boot,dust and Moisture Seal
Caterpillar Inc Div Caterpillar Defense
2930-00-767-402021749 INTERCHANGEABLE
Manifold,water,front
Cummins Inc.
4820-01-107-709421751 INTERCHANGEABLE
Valve,calibrated Flow
Kold-Ban International Ltd Div Kbi
5342-01-181-047621749 INTERCHANGEABLE
Pad
Alliance Laundry Systems Llc
5999-01-198-7066 INTERCHANGEABLE
Mounting Pad,electrical-Electron
5310-01-208-2099N21749 INTERCHANGEABLE
Nut,adjusting,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
21749 PRIMARY L3 Technologies, Inc. Div Communication Systems-West (USA)
Related Parts
6625-00-720-2815SUCCESSOR
LEAD SET,TEST
8462
2925-00-156-4495INTERCHANGEABLE
BODY
8640279P1
3455-00-580-8493INTERCHANGEABLE
BLADE,HOLE SAW
21749
5330-00-599-6452INTERCHANGEABLE
SEAL,PLAIN ENCASED
34925
5340-00-737-2351INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
021749
2930-00-767-4020INTERCHANGEABLE
MANIFOLD,WATER,FRONT
21749
4820-01-107-7094INTERCHANGEABLE
VALVE,CALIBRATED FLOW
21751
5342-01-181-0476INTERCHANGEABLE
PAD
21749
5999-01-198-7066INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5310-01-208-2099INTERCHANGEABLE
NUT,ADJUSTING,VALVE
N21749
5360-01-327-6069INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21749
5136-01-477-4760INTERCHANGEABLE
DIE AND TAP SET,THREAD CUTTING
21749

Frequently Asked Questions

What is NSN 5998-01-132-3767?

NSN 5998-01-132-3767 is a Circuit Card Assembly, manufactured by L3 Technologies, Inc. Div Communication Systems-West, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-132-3767?

NSN 5998-01-132-3767 has 1 cross-referenced part number: 21749 (L3 Technologies, Inc. Div Communication Systems-West).

What NSN replaces 5998-01-132-3767?

There are 12 known substitutes for 5998-01-132-3767: 6625-00-720-2815, 2925-00-156-4495, 3455-00-580-8493 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21749?

Key specifications for 21749: End Item Identification: 6625-01-112-8256; Part Name Assigned by Controlling Agency: CONTROL BOARD TEST SET; Special Features: PLUG-IN MOUNTING; End Item Identification: 6625-01-112-8256. 6 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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