PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

252-0025Extender Card,electronic Test

L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products · NSN 5998-01-257-7146 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-257-7146 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-257-7146. Primary manufacturer part number: 252-0025.
Features
  • Extender Card,electronic Test — FSC 5998
  • 2 verified cross-references
  • Primary manufacturer: L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Extender Card,electronic Test, cataloged under National Stock Number 5998-01-257-7146, 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. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products. This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5998-01-257-7146
Primary Part Number252-0025
Item NameExtender Card,electronic Test
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerL3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-496-73631901-0731 INTERCHANGEABLE
Semiconductor Device,diode
Avago Technologies Us Inc Div Avago Technologies
4320-01-355-44642520-025 INTERCHANGEABLE
Pump,hydraulic
Hydraulics International, Inc. Dba Hydraulics International Inc
Cross-Reference Index
Part NumberManufacturer
252-0025 PRIMARY L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products (USA)
252-0025 Loral Terracom Div of Loral Corp (USA)
Related Parts
5961-00-496-7363INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1901-0731
4320-01-355-4464INTERCHANGEABLE
PUMP,HYDRAULIC
2520-025

Frequently Asked Questions

What is NSN 5998-01-257-7146?

NSN 5998-01-257-7146 is a Extender Card,electronic Test, manufactured by L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-257-7146?

NSN 5998-01-257-7146 has 2 cross-referenced part numbers: 252-0025 (L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products), 252-0025 (Loral Terracom Div of Loral Corp).

What NSN replaces 5998-01-257-7146?

There are 2 known substitutes for 5998-01-257-7146: 5961-00-496-7363, 4320-01-355-4464. Verify interchangeability with system specifications before substitution.

What are the specifications of 252-0025?

Key specifications for 252-0025: Special Features: 1 72 PIN FEMALE CONNECTOR;1.72 PIN MALE CONNECTOR,INSTALLED ON EITHER END OF BOARD;13 IN. LG,4.5 IN. W IN; Special Features: 1 72 PIN FEMALE CONNECTOR;1.72 PIN MALE CONNECTOR,INSTALLED ON EITHER END OF BOARD;13 IN. LG,4.5 IN. W IN. 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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