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50490 — COOLER,HYDRAULIC OIL,AIRCRAFT

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

50490: COOLER,HYDRAULIC OIL,AIRCRAFT.

The COOLER,HYDRAULIC OIL,AIRCRAFT is a Legrand industrial component. Key specifications include material: ALUMINUM ALLOY ENCLOSURE, case_style: SQUARE, seal_width: 0.437 INCHES NOMINAL IN, nominal_width: 0.500 INCHES IN, overall_width: 0.750 INCHES NOMINAL IN, terminal_type: CONNECTOR, RECEPTACLE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-641-3156, 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
50490
NSN: 5330-00-641-3156
NIINs: 006413156, 010263302, 011991406, 013020181, 013690559
FSC: 5330 — Packing and Gasket Materials
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialALUMINUM ALLOY ENCLOSURE
case_styleSQUARE
seal_width0.437 INCHES NOMINAL IN
nominal_width0.500 INCHES IN
overall_width0.750 INCHES NOMINAL IN
terminal_typeCONNECTOR, RECEPTACLE
overall_height4.500 INCHES NOMINAL IN
overall_length13.840 INCHES NOMINAL IN
proof_pressure1850.00 POUNDS PER SQUARE INCH LBS
mounting_methodUNTHREADED HOLE(S)
outside_diameter1.832 INCHES NOMINAL IN
performance_typeHEAVY DUTY
NSN5330-00-641-3156
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50490 MFR: Legrand ⚠ 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
•
SEAL WIDTH: 0.437 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 1.832 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.828 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.312 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.437 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
OUTSIDE DIAMETER1.832 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.828 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.312 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
MATERIALLEATHER SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 4
53771Reference document
Same NSN cross-reference
Reference document — Secondary reference
00044Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
13020Reference document
Same NSN cross-reference
Reference document — Secondary reference
182110Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 50490?
50490 is a COOLER,HYDRAULIC OIL,AIRCRAFT manufactured by Legrand.
What parts can replace 50490?
There are 4 known substitutes for 50490: 53771, 00044, 13020 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50490?
50490 is cataloged in the U.S. Government catalog under NSN 5330-00-641-3156. This indicates validated use in U.S. government and defense supply chains.
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