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W111397575 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

W111397575: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.750 INCHES NOMINAL IN, housing_bore_diameter: 11.125 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 9.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-405-4957, 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
W111397575
NSN: 5330-00-405-4957
FSC: 5330 — Packing and Gasket Materials
CAGE: U0848 — ERIKS SEALING & POLYMER LIMITED (GBR)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.750 INCHES NOMINAL IN
housing_bore_diameter11.125 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter9.750 INCHES NOMINAL IN
material_document_and_classificationB. S. 1449PT 1B FSCM U0848 MFR REF SINGLE MATERIAL RESPONSE CASE
NSN5330-00-405-4957
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: W111397575 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: 0.750 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 11.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: B. S. 1449PT 1B FSCM U0848 MFR REF SINGLE MATERIAL RESPONSE CASE
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 9.750 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.750 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER11.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONB. S. 1449PT 1B FSCM U0848 MFR REF SINGLE MATERIAL RESPONSE CASE
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER9.750 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALLEATHER SEALING ELEMENT
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
W111397575NReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is W111397575?
W111397575 is a SEAL,PLAIN ENCASED.
What parts can replace W111397575?
There is 1 known substitute for W111397575: W111397575N. Substitute compatibility should be verified for your specific system.
What is the NSN for W111397575?
W111397575 is cataloged in the U.S. Government catalog under NSN 5330-00-405-4957. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.