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644 — FILTER,BAND SUPPRESSION

✓ Government record, cited
Melissa & Doug · MRO · MRO_GENERAL
PRODUCT OVERVIEW

644: FILTER,BAND SUPPRESSION.

This colorful wooden set features two cute animals and three tough train pieces. The hitch-and-switch cars can be detached or rearranged, and the colorfully painted animals can be taken out to set up a farmyard scene until the train is ready to go again. This classic toy helps promote coordination, fine motor skills, color and shape recognition, counting skills and imaginative play.

This part is cataloged in the U.S. Government catalog under NSN 6685-00-052-7378, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 644
NSN: 6685-00-052-7378
NIINs: 000527378, 000821939, 001000664, 001281117, 001647061, 001864191, 001864192, 002833360, 002880002, 003379900, 005312019, 005402532, 005570210, 006841688, 007618589, 008452190, 008858562, 009148261, 009515971, 009591336, 009690481, 010698093, 010872384, 011832343, 012166738, 012386168, 012865265, 013273173, 014185991
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 61349 — AMETEK, INC. DIV AEROSPACE & DEFENSE (USA)
SPECIFICATIONS
agitatorNOT INCLUDED
diameter0.875 INCHES NOMINAL IN
jaw_typeSTRAIGHT AND SMOOTH
materialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
tip_typeROUND
base_typeSWIVEL
dial_size2-1/2 IN. DIA IN
unit_typeTWEEZER
bezel_typeSNAP-ON
body_styleSTRAIGHT TYPE
scale_namePRESSURE
scale_typeSINGLE
NSN6685-00-052-7378
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Melissa & Doug FILTER,BAND SUPPRESSION TITLE COMPONENT PN 644 MFR Melissa & Doug FILTER,BAND SUPPRESSIO
KEY FEATURES
•
SCALE ACCURACY: 2 PCT ACCURACY RATING MIDDLE HALF OF RANGE,3 PCT REMAINDER
•
SCALE NAME: PRESSURE
•
OVERALL DIAMETER: 2.813 INCHES NOMINAL IN
•
ACTUATION TYPE: SINGLE BOURDON TUBE
•
MOUNTING METHOD: FLUSH PANEL AND STUD(S) AND BRACKET(S)
•
SCALE INSCRIPTION/BACKGROUND COLOR: BLACK FIGURES ON WHITE BACKGROUND
•
SCALE SMALLEST INCREMENT: 20.0 POUNDS LBS
•
SCALE RANGE: +0.0 TO 600.0 POUNDS PRESSURE PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
SCALE ACCURACY2 PCT ACCURACY RATING MIDDLE HALF OF RANGE,3 PCT REMAINDER
SCALE NAMEPRESSURE
OVERALL DIAMETER2.813 INCHES NOMINAL IN
ACTUATION TYPESINGLE BOURDON TUBE
MOUNTING METHODFLUSH PANEL AND STUD(S) AND BRACKET(S)
SCALE INSCRIPTION/BACKGROUND COLORBLACK FIGURES ON WHITE BACKGROUND
SCALE SMALLEST INCREMENT20.0 POUNDS LBS
SCALE RANGE+0.0 TO 600.0 POUNDS PRESSURE PER SQUARE INCH LBS
STUD LOCATIONBACK
STUD QUANTITY2
SUBSTITUTES & CROSS-REFERENCES 9
34U-181Reference document
Same NSN cross-reference
Reference document — Secondary reference
000527378Reference document
Same NSN cross-reference
Reference document — Secondary reference
76002Reference document
Same NSN cross-reference
Reference document — Secondary reference
106C7429P1Reference document
Same NSN cross-reference
Reference document — Secondary reference
26-402-030-0-601Reference document
Same NSN cross-reference
Reference document — Secondary reference
P644Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 644?
644 is a FILTER,BAND SUPPRESSION manufactured by Melissa & Doug. It is classified as a MRO (MRO_GENERAL).
What parts can replace 644?
There are 9 known substitutes for 644: 34U-181, 000527378, 76002 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 644?
644 is cataloged in the U.S. Government catalog under NSN 6685-00-052-7378. This indicates validated use in U.S. government and defense supply chains.
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