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Technical Data Sheet
55719 ✓ Verified by PartsTable
InLine · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

- Comb. Padlock.<br>- Resettable, 3-dials. Key specifications include material: STEEL, first_leg_angle: 90.0 DEGREES NOMINAL, first_leg_style: SQUARE, first_leg_width: 0.750 INCHES NOMINAL IN, first_leg_length: 1.000 INCHES NOMINAL IN, second_leg_style: SQUARE.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-286-9950, 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
55719
NSN: 5330-00-286-9950
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleSQUARE
first_leg_width0.750 INCHES NOMINAL IN
first_leg_length1.000 INCHES NOMINAL IN
second_leg_styleSQUARE
second_leg_width0.750 INCHES NOMINAL IN
style_designatorANGLE
second_leg_length1.000 INCHES NOMINAL IN
surface_treatmentPASSIVATE
first_leg_thickness0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
second_leg_thickness0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
NSN5330-00-286-9950
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55719 MFR: InLine ⚠ 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
MATERIAL: STEEL CASE
ACCOMMODATED SHAFT DIAMETER: 2.750 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER: 3.876 INCHES NOMINAL IN
CASE STYLE: SQUARE
SEAL WIDTH: 0.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER2.750 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
HOUSING BORE DIAMETER3.876 INCHES NOMINAL IN
CASE STYLESQUARE
SEAL WIDTH0.469 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
18T12Interchangeable
interchangeable cross-reference
interchangeable
125-59-1Interchangeable
interchangeable cross-reference
interchangeable
L193Interchangeable
interchangeable cross-reference
interchangeable
22721Interchangeable
interchangeable cross-reference
interchangeable
150B14074Interchangeable
interchangeable cross-reference
interchangeable
55009Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55719?
55719 is a RECTIFIER,SEMICONDUCTOR DEVICE manufactured by InLine.
What parts can replace 55719?
There are 20 known substitutes for 55719: 18T12, 125-59-1, L193 and 17 more. Substitute compatibility should be verified for your specific system.
Is 55719 still available?
55719 is currently cancelled.
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