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Technical Data Sheet
55542 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL BOX, case_style: SQUARE, seal_width: 0.500 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES, shaft_style: ROUND, SLOTTED, inside_width: 0.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-5556, 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 55542
NSN: 5330-00-291-5556
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL BOX
case_styleSQUARE
seal_width0.500 INCHES NOMINAL IN
seat_angle37.0 DEGREES
shaft_styleROUND, SLOTTED
inside_width0.625 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
inside_length0.875 INCHES NOMINAL IN
overall_width0.750 INCHES NOMINAL IN
overall_length1.125 INCHES NOMINAL IN
shaft_diameter0.125 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
NSN5330-00-291-5556
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55542 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
SEALING ELEMENT STYLE: ANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
MATERIAL: LEATHER SEALING ELEMENT
SEAL WIDTH: 0.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER: 3.375 INCHES NOMINAL IN
HOUSING BORE DIAMETER: 4.688 INCHES NOMINAL IN
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER SEALING ELEMENT
SEAL WIDTH0.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER3.375 INCHES NOMINAL IN
HOUSING BORE DIAMETER4.688 INCHES NOMINAL IN
MATERIALSTEEL CASE
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
55249Interchangeable
interchangeable cross-reference
interchangeable
49792Interchangeable
interchangeable cross-reference
interchangeable
455249Interchangeable
interchangeable cross-reference
interchangeable
810226Interchangeable
interchangeable cross-reference
interchangeable
K10226Interchangeable
interchangeable cross-reference
interchangeable
SAW-3913955Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55542?
55542 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 55542?
There are 14 known substitutes for 55542: 55249, 49792, 455249 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55542?
55542 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-5556. This indicates validated use in U.S. government and defense supply chains.
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