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55145 — UNIVERSAL JOINT,AIRCRAFT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

55145: UNIVERSAL JOINT,AIRCRAFT.

The UNIVERSAL JOINT,AIRCRAFT is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.469 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL PIPE ALL ENDS, surface_treatment: ZINC OVERALL, nominal_thread_size: 0.750 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-154-8386, 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
55145
NSN: 5330-00-154-8386
NIINs: 001548386, 001961498, 004089071
FSC: 5330 — Packing and Gasket Materials
CAGE: 76680 — FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.469 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
surface_treatmentZINC OVERALL
nominal_thread_size0.750 INCHES ALL ENDS IN
housing_bore_diameter4.499 INCHES NOMINAL IN
sealing_element_styleANGULAR
nominal_overall_length3.000 INCHES IN
thread_series_designatorNPT ALL ENDS
accommodated_shaft_diameter3.125 INCHES NOMINAL IN
material_document_and_classificationASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-154-8386
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55145 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
•
SEAL WIDTH: 0.469 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 4.499 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 3.125 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.469 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER4.499 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER3.125 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALLEATHER SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55145?
55145 is a UNIVERSAL JOINT,AIRCRAFT.
What is the NSN for 55145?
55145 is cataloged in the U.S. Government catalog under NSN 5330-00-154-8386. This indicates validated use in U.S. government and defense supply chains.
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