PartsTable
Technical Data Sheet
4549 ✓ Verified by PartsTable
Melissa & Doug · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include color: BLACK BOTH SIDES, width: 48.000 INCHES NOMINAL IN, material: RUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED, thickness: 0.062 INCHES NOMINAL IN, body_width: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN, chain_type: ROLLER LINK OR FORGED-WELDED LINK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9320-00-519-3153, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL 4549
NSN: 9320-00-519-3153
FSC: 9320
CAGE: 29227 — HECHT RUBBER CORPORATION (USA)
SPECIFICATIONS
colorBLACK BOTH SIDES
width48.000 INCHES NOMINAL IN
materialRUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED
thickness0.062 INCHES NOMINAL IN
body_width0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
chain_typeROLLER LINK OR FORGED-WELDED LINK
body_height0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
body_length3.160 INCHES NOMINAL IN
load_rating1000.0 POUNDS MAXIMUM LBS
body_materialMETAL
hook_quantity1
braking_methodFRICTION
NSN9320-00-519-3153
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Melissa & Doug RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 4549 MFR Melissa & Doug RESISTOR,VARIABLE,NONW
KEY FEATURES
MATERIAL: RUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED
COLOR: BLACK BOTH SIDES
ENVIRONMENTAL PROTECTION: GASOLINE AND OIL RESISTANT AND PETROLEUM
SURFACE CONDITION: SMOOTH BOTH SIDES
THICKNESS: 0.062 INCHES NOMINAL IN
WIDTH: 48.000 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH: ERR-060
NONMETALLIC HARDNESS RATING: 50.0 MINIMUM SHORE DUROMETER A AND 60.0 MAXIMUM SHORE DUROMETER A
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED
COLORBLACK BOTH SIDES
ENVIRONMENTAL PROTECTIONGASOLINE AND OIL RESISTANT AND PETROLEUM
SURFACE CONDITIONSMOOTH BOTH SIDES
THICKNESS0.062 INCHES NOMINAL IN
WIDTH48.000 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTHERR-060
NONMETALLIC HARDNESS RATING50.0 MINIMUM SHORE DUROMETER A AND 60.0 MAXIMUM SHORE DUROMETER A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
2202Interchangeable
interchangeable cross-reference
interchangeable
HST3APPACL1OR2TYAInterchangeable
interchangeable cross-reference
interchangeable
622Interchangeable
interchangeable cross-reference
interchangeable
4549Interchangeable
interchangeable cross-reference
interchangeable
FC-5785Interchangeable
interchangeable cross-reference
interchangeable
R4269Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4549?
4549 is a RESISTOR,VARIABLE,NONWIRE WOUND, manufactured by Melissa & Doug. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4549?
There are 6 known substitutes for 4549: 2202, HST3APPACL1OR2TYA, 622 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4549?
4549 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9320-00-519-3153. This indicates validated use in U.S. government and defense supply chains.
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