PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203772Circuit Card Assembly

Northern Telecom Inc Telecom Distribution Div · NSN 5998-00-520-2576 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-520-2576 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-520-2576. Primary manufacturer part number: 203772.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Northern Telecom Inc Telecom Distribution Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-520-2576, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northern Telecom Inc Telecom Distribution Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5998-00-520-2576
Primary Part Number203772
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerNorthern Telecom Inc Telecom Distribution Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight0.4000 lbs
Cube0.0560 cu ft
Verified Substitutes 2
4820-00-861-0288203772 INTERCHANGEABLE
Valve,check
Eaton Corp Dba Eaton Aerospace Jackson
5330-01-306-4870417518 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
203772 Northern Telecom Inc Telecom Distribution Div (USA)
Related Parts
4820-00-861-0288INTERCHANGEABLE
VALVE,CHECK
203772
5330-01-306-4870INTERCHANGEABLE
SEAL,PLAIN ENCASED
417518

Frequently Asked Questions

What is NSN 5998-00-520-2576?

NSN 5998-00-520-2576 is a Circuit Card Assembly, manufactured by Northern Telecom Inc Telecom Distribution Div, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-520-2576?

NSN 5998-00-520-2576 has 1 cross-referenced part number: 203772 (Northern Telecom Inc Telecom Distribution Div).

What NSN replaces 5998-00-520-2576?

There are 2 known substitutes for 5998-00-520-2576: 4820-00-861-0288, 5330-01-306-4870. Verify interchangeability with system specifications before substitution.

What are the specifications of 203772?

Key specifications for 203772: Overall Width: 2.562 INCHES NOMINAL IN; Special Features: CAPACITOR 9; DIODE 3; INTEGRATED CIRCUIT 4; PAD 3; PRINTED WIRING BOARD 1; RESISTOR 23; TRANSISTOR 3; Overall Length: 3.875 INCHES NOMINAL IN; Overall Height: 0.438 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com