PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

250DDetecting Element,directional Co

Bird Electronic Corporation Div Bird Electronic Corp · NSN 6625-00-539-8531 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-539-8531 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-539-8531. Primary manufacturer part number: 250D.
Features
  • Detecting Element,directional Co — FSC 6625
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • Frequency Range Rating: +200.0 TO 500.0 MEGAHERTZ
  • Power Range: +0.0 TO 250.0 WATTS
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • Frequency Range Rating: +200.0 TO 500.0 MEGAHERTZ
  • Power Range: +0.0 TO 250.0 WATTS
  • 13 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Detecting Element,directional Co, cataloged under National Stock Number 6625-00-539-8531, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bird Electronic Corporation Div Bird Electronic Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-539-8531
Primary Part Number250D
Item NameDetecting Element,directional Co
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBird Electronic Corporation Div Bird Electronic Corp
StatusCANCELLED
Overall Diameter1.250 INCHES NOMINAL IN
Frequency Range Rating+200.0 TO 500.0 MEGAHERTZ
Power Range+0.0 TO 250.0 WATTS
Overall Diameter1.250 INCHES NOMINAL IN
Frequency Range Rating+200.0 TO 500.0 MEGAHERTZ
Power Range+0.0 TO 250.0 WATTS
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-224-2423 (204-2)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZN
Weight0.1620 lbs
Cube0.0120 cu ft
Verified Substitutes 12
6625-00-224-2423204-2 SUCCESSOR
Dolly,test Equipment
Tektronix, Inc.
6625-00-538-88281373 SUCCESSOR
Ammeter
Jewell Instruments Llc
4130-00-011-0408122119 INTERCHANGEABLE
Filter Element,air Conditioning
Falls Filtration Technologies, Inc.
5305-00-353-94278204-2 INTERCHANGEABLE
Setscrew
Cummins Inc.
6740-00-489-4580250-D INTERCHANGEABLE
Tank,film Washing
Calumet Photographic, Inc.
5977-00-494-97208204-2 INTERCHANGEABLE
Brush,electrical Contact
Safran Power Usa Llc
5305-00-543-4372AES01C375750AW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
2940-00-586-47921665311C1 INTERCHANGEABLE
Filter Element,fluid
Navistar Intl Corp Truck Br Ohio Plant
6625-00-618-9509B239T35 INTERCHANGEABLE
Voltmeter
Avtron Aerospace Inc
4820-00-853-1715 INTERCHANGEABLE
Valve,plug
Cross-Reference Index
Part NumberManufacturer
386-002-021 L3harris Interstate Electronics Corporation (USA)
4250-020-16 Bird Electronic Corporation Div Bird Electronic Corp (USA)
122-1-19 Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
1131112G3 Itt Industries Inc Itt Aerospace Communications Div East (USA)
M0DEL43-250D Bird Electronic Corporation Div Bird Electronic Corp (USA)
43-250D Bird Electronic Corporation Div Bird Electronic Corp (USA)
6625PL1920874 Jednolity Indeks Materialowy - Uniform Material Index (POL)
82042 Cdi Industries Inc (USA)
2042 Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies (USA)
425020-16 Bird Electronic Corporation Div Bird Electronic Corp (USA)
D250 Bird Electronic Corporation Div Bird Electronic Corp (USA)
425020-44 Bird Electronic Corporation Div Bird Electronic Corp (USA)
250D PRIMARY Bird Electronic Corporation Div Bird Electronic Corp (USA)
Related Parts
SUCCESSOR 6625-00-224-2423 Dolly,test Equipment · 204-2
6625-00-538-8828SUCCESSOR
AMMETER
1373
4130-00-011-0408INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
122119
5305-00-353-9427INTERCHANGEABLE
SETSCREW
8204-2
6740-00-489-4580INTERCHANGEABLE
TANK,FILM WASHING
250-D
5977-00-494-9720INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
8204-2
5305-00-543-4372INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C375750AW9A91
2940-00-586-4792INTERCHANGEABLE
FILTER ELEMENT,FLUID
1665311C1
6625-00-618-9509INTERCHANGEABLE
VOLTMETER
B239T35
4820-00-853-1715INTERCHANGEABLE
VALVE,PLUG
4320-00-932-7481INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
D250
5360-00-969-1896INTERCHANGEABLE
SPRING

Frequently Asked Questions

What is NSN 6625-00-539-8531?

NSN 6625-00-539-8531 is a Detecting Element,directional Co, manufactured by Bird Electronic Corporation Div Bird Electronic Corp, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-539-8531?

NSN 6625-00-539-8531 has 13 cross-referenced part numbers: 386-002-021 (L3harris Interstate Electronics Corporation), 4250-020-16 (Bird Electronic Corporation Div Bird Electronic Corp), 122-1-19 (Allard Nazarian Group, Inc. Dba Granite State Manufacturing), 1131112G3 (Itt Industries Inc Itt Aerospace Communications Div East), M0DEL43-250D (Bird Electronic Corporation Div Bird Electronic Corp) and 8 more.

What NSN replaces 6625-00-539-8531?

There are 12 known substitutes for 6625-00-539-8531: 6625-00-224-2423, 6625-00-538-8828, 4130-00-011-0408 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 250D?

Key specifications for 250D: Overall Diameter: 1.250 INCHES NOMINAL IN; Special Features: 50.0 OHMS IMPEDANCE,FOR 0.875 IN. LINE SECTION IN; Overall Length: 1.437 INCHES NOMINAL IN; Frequency Range Rating: +200.0 TO 500.0 MEGAHERTZ. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-539-8531 still in active supply?

NSN 6625-00-539-8531 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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