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Technical Data Sheet
PartsTable / COMPONENT / 21161-3869
21161-3869 ✓ 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: 0.375 INCHES NOMINAL IN, surface_treatment: CADMIUM CASE, housing_bore_diameter: 0.999 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-154-8793, 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
21161-3869
NSN: 5330-00-154-8793
FSC: 5330
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
surface_treatmentCADMIUM CASE
housing_bore_diameter0.999 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.562 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-154-8793
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21161-3869 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
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
MATERIAL: STEEL CASE
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM CASE
•
ACCOMMODATED SHAFT DIAMETER: 0.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.375 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM CASE
ACCOMMODATED SHAFT DIAMETER0.562 INCHES NOMINAL IN
HOUSING BORE DIAMETER0.999 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
746451-3Interchangeable
interchangeable cross-reference
interchangeable
500006-1Interchangeable
interchangeable cross-reference
interchangeable
500-006Interchangeable
interchangeable cross-reference
interchangeable
S7-65Interchangeable
interchangeable cross-reference
interchangeable
ZB287-1004P65Interchangeable
interchangeable cross-reference
interchangeable
AN6227B65Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21161-3869?
21161-3869 is a SEAL,PLAIN ENCASED.
What parts can replace 21161-3869?
There are 19 known substitutes for 21161-3869: 746451-3, 500006-1, 500-006 and 16 more. Substitute compatibility should be verified for your specific system.
Is 21161-3869 still available?
21161-3869 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026