PartsTable
Technical Data Sheet
3H1911-3S7 ✓ 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: STEEL CASE, case_style: SQUARE, seal_width: 0.438 INCHES NOMINAL IN, outside_diameter: 1.832 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 1.828 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-4627, 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
3H1911-3S7
NSN: 5330-00-178-4627
FSC: 5330
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.438 INCHES NOMINAL IN
outside_diameter1.832 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter1.828 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.875 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-178-4627
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3H1911-3S7 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: 2000 FEET PER MINUTE FT
MATERIAL: LEATHER SEALING ELEMENT
CASE STYLE: SQUARE
SEAL WIDTH: 0.438 INCHES NOMINAL IN
HOUSING BORE DIAMETER: 1.828 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER: 0.875 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER SEALING ELEMENT
CASE STYLESQUARE
SEAL WIDTH0.438 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.828 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER0.875 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
OUTSIDE DIAMETER1.832 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
8846Interchangeable
interchangeable cross-reference
interchangeable
884618C1Interchangeable
interchangeable cross-reference
interchangeable
5003-7Interchangeable
interchangeable cross-reference
interchangeable
10-324860Interchangeable
interchangeable cross-reference
interchangeable
43958Interchangeable
interchangeable cross-reference
interchangeable
42315Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3H1911-3S7?
3H1911-3S7 is a SEAL,PLAIN ENCASED.
What parts can replace 3H1911-3S7?
There are 31 known substitutes for 3H1911-3S7: 8846, 884618C1, 5003-7 and 28 more. Substitute compatibility should be verified for your specific system.
Is 3H1911-3S7 still available?
3H1911-3S7 is currently cancelled.
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