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Technical Data Sheet
545269 ✓ 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

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, housing_bore_diameter: 1.309 INCHES MINIMUM AND 1.311 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 0.875 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 5330-00-286-6854, 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
545269
NSN: 5330-00-286-6854
FSC: 5330
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
housing_bore_diameter1.309 INCHES MINIMUM AND 1.311 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.875 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed1600 FEET PER MINUTE FT
NSN5330-00-286-6854
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 545269 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 MAXIMUM RATED SPEED: 1600 FEET PER MINUTE FT
SEAL WIDTH: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
SEALING ELEMENT STYLE: ANGULAR
HOUSING BORE DIAMETER: 1.309 INCHES MINIMUM AND 1.311 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER: 0.875 INCHES NOMINAL IN
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1600 FEET PER MINUTE FT
SEAL WIDTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.309 INCHES MINIMUM AND 1.311 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER0.875 INCHES NOMINAL IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
AC183-1 1-2Interchangeable
interchangeable cross-reference
interchangeable
281-31Interchangeable
interchangeable cross-reference
interchangeable
639095Interchangeable
interchangeable cross-reference
interchangeable
CVCPICInterchangeable
interchangeable cross-reference
interchangeable
3772Interchangeable
interchangeable cross-reference
interchangeable
03-2075Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 545269?
545269 is a SEAL,PLAIN ENCASED.
What parts can replace 545269?
There are 9 known substitutes for 545269: AC183-1 1-2, 281-31, 639095 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 545269?
545269 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-286-6854. This indicates validated use in U.S. government and defense supply chains.
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