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X1527 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

X1527: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: WOOL SEALING ELEMENT A, case_style: SQUARE, seal_width: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN, special_features: DISC DWG TY1 CASE TY3 B ELEMENT, housing_bore_diameter: 3.350 INCHES NOMINAL IN, sealing_element_style: VERTICAL-ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-559-3875, 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
X1527
NSN: 5330-00-559-3875
FSC: 5330 — Packing and Gasket Materials
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
materialWOOL SEALING ELEMENT A
case_styleSQUARE
seal_width0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
special_featuresDISC DWG TY1 CASE TY3 B ELEMENT
housing_bore_diameter3.350 INCHES NOMINAL IN
sealing_element_styleVERTICAL-ANGULAR
accommodated_shaft_diameter2.375 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-559-3875
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: X1527 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: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: VERTICAL-ANGULAR
•
HOUSING BORE DIAMETER: 3.350 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 2.375 INCHES NOMINAL IN
•
MATERIAL: LEATHER SEALING ELEMENT B
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
SEALING ELEMENT STYLEVERTICAL-ANGULAR
HOUSING BORE DIAMETER3.350 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
SPECIAL FEATURESDISC DWG TY1 CASE TY3 B ELEMENT
ACCOMMODATED SHAFT DIAMETER2.375 INCHES NOMINAL IN
MATERIALLEATHER SEALING ELEMENT B
MATERIALWOOL SEALING ELEMENT A
SUBSTITUTES & CROSS-REFERENCES 3
10101Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
129370Reference document
Same NSN cross-reference
Reference document — Secondary reference
45709ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is X1527?
X1527 is a SEAL,PLAIN ENCASED.
What parts can replace X1527?
There are 3 known substitutes for X1527: 10101, 129370, 45709A. Substitute compatibility should be verified for your specific system.
What is the NSN for X1527?
X1527 is cataloged in the U.S. Government catalog under NSN 5330-00-559-3875. This indicates validated use in U.S. government and defense supply chains.
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