PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4521Wattmeter

Bird Electronic Corporation Div Bird Electronic Corp · NSN 6625-01-087-7307 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-087-7307 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-087-7307. Primary manufacturer part number: 4521.
Features
  • Wattmeter — FSC 6625
  • 2 verified cross-references
  • Primary manufacturer: Bird Electronic Corporation Div Bird Electronic Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Wattmeter, cataloged under National Stock Number 6625-01-087-7307, 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. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameWattmeter
FSC / FSG6625 — No Item Name Available (FSG 66)
ManufacturersThales Uk Limited Secure Communications and Information Systems (CAGE K0162); Bird Electronic Corporation Div Bird Electronic Corp (CAGE 70998)
Technical Specifications
ParameterValue
NSN6625-01-087-7307
Primary Part Number4521
Item NameWattmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBird Electronic Corporation Div Bird Electronic Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJF
Weight14.0000 lbs
Cube1.7188 cu ft
Verified Substitutes 8
6240-00-155-7780 INTERCHANGEABLE
Lamp,incandescent
5930-00-272-12783-6018 INTERCHANGEABLE
Switch,push
Balkamp Inc
5330-00-405-9178080-000046 INTERCHANGEABLE
Gasket
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5905-00-539-23431JB3492-1 INTERCHANGEABLE
Resistor,adjustable
Westinghouse Electric Corp
5360-01-050-2948N04521 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
6220-01-190-32354521 INTERCHANGEABLE
Directional Light,vehicular
Federal-Mogul Corp Government Sales Dept
1005-01-328-2207 INTERCHANGEABLE
Barrel,shotgun
5315-01-617-1637 INTERCHANGEABLE
Pin,quick Release
Cross-Reference Index
Part NumberManufacturer
301-200360 Thales Uk Limited Secure Communications and Information Systems (GBR)
4521 PRIMARY Bird Electronic Corporation Div Bird Electronic Corp (USA)
Related Parts
6240-00-155-7780INTERCHANGEABLE
LAMP,INCANDESCENT
5930-00-272-1278INTERCHANGEABLE
SWITCH,PUSH
3-6018
5330-00-405-9178INTERCHANGEABLE
GASKET
080-000046
5905-00-539-2343INTERCHANGEABLE
RESISTOR,ADJUSTABLE
1JB3492-1
5360-01-050-2948INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
N04521
6220-01-190-3235INTERCHANGEABLE
DIRECTIONAL LIGHT,VEHICULAR
4521
1005-01-328-2207INTERCHANGEABLE
BARREL,SHOTGUN
5315-01-617-1637INTERCHANGEABLE
PIN,QUICK RELEASE

Frequently Asked Questions

What is NSN 6625-01-087-7307?

NSN 6625-01-087-7307 is a Wattmeter, manufactured by Bird Electronic Corporation Div Bird Electronic Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-087-7307?

NSN 6625-01-087-7307 has 2 cross-referenced part numbers: 301-200360 (Thales Uk Limited Secure Communications and Information Systems), 4521 (Bird Electronic Corporation Div Bird Electronic Corp).

What NSN replaces 6625-01-087-7307?

There are 8 known substitutes for 6625-01-087-7307: 6240-00-155-7780, 5930-00-272-1278, 5330-00-405-9178 and 5 more. Verify interchangeability with system specifications before substitution.

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