PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PFM604BFrequency Meter Set

Safetran Systems Co Sub of Cci Corp · NSN 6625-00-893-0021 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-893-0021 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-893-0021. Primary manufacturer part number: PFM604B.
Features
  • Frequency Meter Set — FSC 6625
  • 3 verified cross-references
  • Primary manufacturer: Safetran Systems Co Sub of Cci Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Frequency Meter Set, cataloged under National Stock Number 6625-00-893-0021, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Safetran Systems Co Sub of Cci Corp. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: SE.

Technical Specifications
ParameterValue
NSN6625-00-893-0021
Primary Part NumberPFM604B
Item NameFrequency Meter Set
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSafetran Systems Co Sub of Cci Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-715-7201 (5009)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueSE
SMR CodeJZ
Weight4.4100 lbs
Cube0.4392 cu ft
Verified Substitutes 4
6625-01-715-72015009 SUCCESSOR
Sensor,current
Bird Electronic Corp
6625-01-314-1978 INTERCHANGEABLE
Lead,test
5998-01-314-201383023-01Y INTERCHANGEABLE
Retainer-Ejector,electrical Card
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5998-01-383-588883023-01B INTERCHANGEABLE
Retainer-Ejector,electrical Card
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
Cross-Reference Index
Part NumberManufacturer
MK3207-104 Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics (USA)
5009 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
PFM604B PRIMARY Safetran Systems Co Sub of Cci Corp (USA)
Related Parts
SUCCESSOR 6625-01-715-7201 Sensor,current · 5009
6625-01-314-1978INTERCHANGEABLE
LEAD,TEST
5998-01-314-2013INTERCHANGEABLE
RETAINER-EJECTOR,ELECTRICAL CARD
83023-01Y
5998-01-383-5888INTERCHANGEABLE
RETAINER-EJECTOR,ELECTRICAL CARD
83023-01B

Frequently Asked Questions

What is NSN 6625-00-893-0021?

NSN 6625-00-893-0021 is a Frequency Meter Set, manufactured by Safetran Systems Co Sub of Cci Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-893-0021?

NSN 6625-00-893-0021 has 3 cross-referenced part numbers: MK3207-104 (Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics), 5009 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), PFM604B (Safetran Systems Co Sub of Cci Corp).

What NSN replaces 6625-00-893-0021?

There are 4 known substitutes for 6625-00-893-0021: 6625-01-715-7201, 6625-01-314-1978, 5998-01-314-2013 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PFM604B?

Key specifications for PFM604B: End Item Identification: 4940-294-9517; End Item Identification: 4940-294-9517. 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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