PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TSC 2033Plug-in Unit,electrical-Electron

Microsemi Frequency and Time Corp · NSN 6625-01-438-6557 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-438-6557 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-438-6557. Primary manufacturer part number: TSC 2033.
Features
  • Plug-in Unit,electrical-Electron — FSC 6625
  • Unit Type: VERTICAL PLUG-IN
  • Unit Type: VERTICAL PLUG-IN
  • 4 verified cross-references
  • Primary manufacturer: Microsemi Frequency and Time Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Plug-in Unit,electrical-Electron, cataloged under National Stock Number 6625-01-438-6557, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Microsemi Frequency and Time Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-438-6557
Primary Part NumberTSC 2033
Item NamePlug-in Unit,electrical-Electron
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMicrosemi Frequency and Time Corp
StatusACTIVE
Unit TypeVERTICAL PLUG-IN
Unit TypeVERTICAL PLUG-IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code7
Criticality CodeT
Unit of IssueEA
SMR CodeVT
Verified Substitutes 1
6625-00-868-4638250C SUCCESSOR
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
Cross-Reference Index
Part NumberManufacturer
TSC 2033 PRIMARY Microsemi Frequency and Time Corp (USA)
HP59991A-T05 Avago Technologies Us Inc Div Avago Technologies (USA)
2033 Microsemi Frequency and Time Corp (USA)
59991A-T05 Avago Technologies Us Inc Div Avago Technologies (USA)
Related Parts
6625-00-868-4638SUCCESSOR
DETECTING ELEMENT,DIRECTIONAL CO
250C

Frequently Asked Questions

What is NSN 6625-01-438-6557?

NSN 6625-01-438-6557 is a Plug-in Unit,electrical-Electron, manufactured by Microsemi Frequency and Time Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-438-6557?

NSN 6625-01-438-6557 has 4 cross-referenced part numbers: TSC 2033 (Microsemi Frequency and Time Corp), HP59991A-T05 (Avago Technologies Us Inc Div Avago Technologies), 2033 (Microsemi Frequency and Time Corp), 59991A-T05 (Avago Technologies Us Inc Div Avago Technologies).

What NSN replaces 6625-01-438-6557?

There is 1 known substitute for 6625-01-438-6557: 6625-00-868-4638. Verify interchangeability with system specifications before substitution.

What are the specifications of TSC 2033?

Key specifications for TSC 2033: End Item Identification: GPS-OCS; Unit Type: VERTICAL PLUG-IN; Special Features: DUAL RF AMPLIFIER; 1-20 MHZ; INPUT VOLTAGE 1 V RMS MAX; HARMONIC DISTORTION M 40 DBC MAX; SPURIOUS M 80 DBC MAX; 2.1 W POWER; 2 SMA FEMALE INPUT CONNECTORS USED FOR 2 INDEPENDENT INPUTS; 2 PAIR SMA FEMALE CONNECTORS USED FOR OUTPUT; IBM/XT SYSTEM CONNECTORS; ISOLATION BETTER THAN 120 DB AT 5 MHZ; WIDTH 1 SLOT; FRONT PANEL INSTALLATION;FAILURE RATE 0.286 FAILURES/10 HOURS; HP CALLS THIS A GENERAL PURPOSE DISTRIBUTION AMPLIFIER MHz; End Item Identification: GPS-OCS. 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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