PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SF1Plug-in Unit,electrical-Electron

Eaton Corp Electronic Instrumentation Div Los Angeles Plant · NSN 6625-00-257-5021 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-257-5021 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-257-5021. Primary manufacturer part number: SF1.
Features
  • Plug-in Unit,electrical-Electron — FSC 6625
  • Unit Type: FREQUENCY PLUG-IN MODULE
  • Unit Type: FREQUENCY PLUG-IN MODULE
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corp Electronic Instrumentation Div Los Angeles Plant
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 6625-00-257-5021, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Eaton Corp Electronic Instrumentation Div Los Angeles Plant. Government technical data includes 2 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-257-5021
Primary Part NumberSF1
Item NamePlug-in Unit,electrical-Electron
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerEaton Corp Electronic Instrumentation Div Los Angeles Plant
StatusACTIVE
Unit TypeFREQUENCY PLUG-IN MODULE
Unit TypeFREQUENCY PLUG-IN MODULE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeS
Unit of IssueEA
SMR CodeVS
Verified Substitutes 5
4820-00-152-3184SF-1 INTERCHANGEABLE
Disk,valve
Circor Naval Solutions Llc Dba Warren Pumps
5961-00-369-7806152-0331-00 INTERCHANGEABLE
Semiconductor Device,diode
Tektronix, Inc.
5120-01-032-7496 INTERCHANGEABLE
Hammer,hand
4130-01-511-8328 INTERCHANGEABLE
Sand Filter
9140-01-570-7022 INTERCHANGEABLE
Diesel Fuel
Cross-Reference Index
Part NumberManufacturer
SF1 Eaton Corp Electronic Instrumentation Div Los Angeles Plant (USA)
Related Parts
4820-00-152-3184INTERCHANGEABLE
DISK,VALVE
SF-1
5961-00-369-7806INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
152-0331-00
5120-01-032-7496INTERCHANGEABLE
HAMMER,HAND
4130-01-511-8328INTERCHANGEABLE
SAND FILTER
9140-01-570-7022INTERCHANGEABLE
DIESEL FUEL

Frequently Asked Questions

What is NSN 6625-00-257-5021?

NSN 6625-00-257-5021 is a Plug-in Unit,electrical-Electron, manufactured by Eaton Corp Electronic Instrumentation Div Los Angeles Plant, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-257-5021?

NSN 6625-00-257-5021 has 1 cross-referenced part number: SF1 (Eaton Corp Electronic Instrumentation Div Los Angeles Plant).

What NSN replaces 6625-00-257-5021?

There are 5 known substitutes for 6625-00-257-5021: 4820-00-152-3184, 5961-00-369-7806, 5120-01-032-7496 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SF1?

Key specifications for SF1: Unit Type: FREQUENCY PLUG-IN MODULE; Unit Type: FREQUENCY PLUG-IN MODULE. 2 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