PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BR661Brush,scale Pan,laboratory

Fisher Scientific Company L.l.c. · NSN 6640-00-903-4079 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-903-4079 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-903-4079. Primary manufacturer part number: BR661.
Features
  • Brush,scale Pan,laboratory — FSC 6640
  • Stock Exposed Length: 1.500 INCHES NOMINAL IN
  • Angular Edge: NOT INCLUDED
  • Stock Shape at Ferrule: ROUND
  • Stock Thickness: 0.750 INCHES NOMINAL IN
  • Edge Type: DOME TOP
  • Stock Diameter: 0.750 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Brush,scale Pan,laboratory, cataloged under National Stock Number 6640-00-903-4079, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Fisher Scientific Company L.l.c.. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-903-4079
Primary Part NumberBR661
Item NameBrush,scale Pan,laboratory
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerFisher Scientific Company L.l.c.
StatusACTIVE
Stock Exposed Length1.500 INCHES NOMINAL IN
Angular EdgeNOT INCLUDED
Stock Shape at FerruleROUND
Stock Thickness0.750 INCHES NOMINAL IN
Edge TypeDOME TOP
Stock Diameter0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5355-00-160-71051755762 INTERCHANGEABLE
Knob
Naval Ship Systems Command
5355-00-341-24772Z5824-253 INTERCHANGEABLE
Knob
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-366-00414030831-0701 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5950-00-833-31922104626 INTERCHANGEABLE
Reactor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5325-00-976-1111 INTERCHANGEABLE
Ring,retaining
5950-01-011-32026140050-6 INTERCHANGEABLE
Coil,radio Frequency
Viking Technologies, Ltd.
4510-01-096-5205 INTERCHANGEABLE
Holder,toilet Tissue
5935-01-096-7841366-1 INTERCHANGEABLE
Cover,electrical Connector
Microwave Devices Inc
6635-01-147-5496 INTERCHANGEABLE
Torque Watch Calibrator
5120-01-162-0328 INTERCHANGEABLE
Blade,nutdriver
Cross-Reference Index
Part NumberManufacturer
03-661 Fisher Scientific Company L.l.c. (USA)
3-661 Fisher Scientific Company L.l.c. (USA)
BR661 PRIMARY Fisher Scientific Company L.l.c. (USA)
FMB3661 F.m. Brush Co. Inc. (USA)
Related Parts
5355-00-160-7105INTERCHANGEABLE
KNOB
1755762
5355-00-341-2477INTERCHANGEABLE
KNOB
2Z5824-253
5950-00-366-0041INTERCHANGEABLE
TRANSFORMER,POWER
4030831-0701
5950-00-833-3192INTERCHANGEABLE
REACTOR
2104626
5325-00-976-1111INTERCHANGEABLE
RING,RETAINING
5950-01-011-3202INTERCHANGEABLE
COIL,RADIO FREQUENCY
6140050-6
4510-01-096-5205INTERCHANGEABLE
HOLDER,TOILET TISSUE
5935-01-096-7841INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
366-1
6635-01-147-5496INTERCHANGEABLE
TORQUE WATCH CALIBRATOR
5120-01-162-0328INTERCHANGEABLE
BLADE,NUTDRIVER
4820-01-367-2048INTERCHANGEABLE
POSITIONER,VALVE
3661
4920-01-539-3813INTERCHANGEABLE
CUT OFF SWITCH,AIRC
3661

Frequently Asked Questions

What is NSN 6640-00-903-4079?

NSN 6640-00-903-4079 is a Brush,scale Pan,laboratory, manufactured by Fisher Scientific Company L.l.c., classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-903-4079?

NSN 6640-00-903-4079 has 4 cross-referenced part numbers: 03-661 (Fisher Scientific Company L.l.c.), 3-661 (Fisher Scientific Company L.l.c.), BR661 (Fisher Scientific Company L.l.c.), FMB3661 (F.m. Brush Co. Inc.).

What NSN replaces 6640-00-903-4079?

There are 12 known substitutes for 6640-00-903-4079: 5355-00-160-7105, 5355-00-341-2477, 5950-00-366-0041 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BR661?

Key specifications for BR661: Stock Exposed Length: 1.500 INCHES NOMINAL IN; Angular Edge: NOT INCLUDED; Stock Shape at Ferrule: ROUND; Stock Thickness: 0.750 INCHES NOMINAL IN. 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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