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Technical Data Sheet
PartsTable / O-RING / 411161-9
411161-9 ✓ 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 SWITCH,PUSH is a the manufacturer industrial component. Key specifications include color: BLACK SINGLE ACTUATOR, material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, body_style: PANEL MOUNT, body_width: 0.680 INCHES NOMINAL IN, body_height: 1.300 INCHES NOMINAL IN, body_length: 0.680 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-542-1365, 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
411161-9
NSN: 5331-00-542-1365
FSC: 5331 — O-RING
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
colorBLACK SINGLE ACTUATOR
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
body_stylePANEL MOUNT
body_width0.680 INCHES NOMINAL IN
body_height1.300 INCHES NOMINAL IN
body_length0.680 INCHES NOMINAL IN
overall_width0.970 INCHES NOMINAL IN
actuator_styleRECTANGULAR
actuator_width0.610 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.900 INCHES NOMINAL IN
overall_length0.970 INCHES NOMINAL IN
NSN5331-00-542-1365
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 411161-9 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
•
OUTSIDE DIAMETER: 0.337 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.337 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONCLOSE IN WEAPON SYSTEM (CIWS-PHALANX); SUBMARINE SUBMARINE SURVEILLANCE SYSTEMS; ENGINE, AIRCRAFT TF33-PW-102 (C-135E, EC-135H/K/P); FIRE PUMPS; STREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD); L.P. COMPRESSORS; FIRE CONTROL SYSTEM, MISSILE MK 74 (FCS); GUN MOUNT, MK 75 (GM); AIRCRAFT, SOF ( AC-130H, MC-130H, EC-130E, HC-130); MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
PA300-281Interchangeable
interchangeable cross-reference
interchangeable
1844Interchangeable
interchangeable cross-reference
interchangeable
BROWNDEVIL20000PM5Interchangeable
interchangeable cross-reference
interchangeable
B20J20KInterchangeable
interchangeable cross-reference
interchangeable
3VP340Interchangeable
interchangeable cross-reference
interchangeable
203SSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 411161-9?
411161-9 is a SWITCH,PUSH.
What parts can replace 411161-9?
There are 27 known substitutes for 411161-9: PA300-281, 1844, BROWNDEVIL20000PM5 and 24 more. Substitute compatibility should be verified for your specific system.
Is 411161-9 still available?
411161-9 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026