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Technical Data Sheet

4504 3/4 — Technical Data Sheet

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

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include color: BLACK BASIC, temp_rating: 70.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF, nominal_width: 0.750 INCHES IN, nominal_length: 648.000 INCHES IN, special_features: FOAM, adhesive_location: ONE SIDE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-948-1814, 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
4504 3/4
NSN: 5330-00-948-1814
FSC: 5330
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
colorBLACK BASIC
temp_rating70.0 FAHRENHEIT MINIMUM AND 120.0 FAHRENHEIT MAXIMUM DEGF
nominal_width0.750 INCHES IN
nominal_length648.000 INCHES IN
special_featuresFOAM
adhesive_locationONE SIDE
features_providedLINER
material_transparencyCLEAR
nominal_overall_thickness0.2500 INCHES IN
NSN5330-00-948-1814
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4504 3/4 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
ACCOMMODATED SHAFT DIAMETER: 0.562 INCHES NOMINAL IN
SEALING ELEMENT STYLE: VERTICAL
FSC APPLICATION DATA: MAIN GEARBOX ASSY,AIRCRAFT ENGINE
MATERIAL: STEEL CASE
CASE STYLE: SQUARE
HOUSING BORE DIAMETER: 1.254 INCHES NOMINAL IN
SEAL WIDTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER0.562 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
FSC APPLICATION DATAMAIN GEARBOX ASSY,AIRCRAFT ENGINE
MATERIALSTEEL CASE
CASE STYLESQUARE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
HOUSING BORE DIAMETER1.254 INCHES NOMINAL IN
SEAL WIDTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
450435Interchangeable
interchangeable cross-reference
interchangeable
P1895662-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4504 3/4?
4504 3/4 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 4504 3/4?
There are 2 known substitutes for 4504 3/4: 450435, P1895662-16. Substitute compatibility should be verified for your specific system.
What is the NSN for 4504 3/4?
4504 3/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-948-1814. This indicates validated use in U.S. government and defense supply chains.
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