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9M18-1 — SWITCH,CODE INDICATING WHEEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9M18-1: SWITCH,CODE INDICATING WHEEL.

The SWITCH,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include width: 0.660 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN, length: 1.190 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN, material: STEEL COMP 1095 OVERALL, hole_diameter: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN, overall_width: 1.800 INCHES NOMINAL IN, overall_height: 1.920 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-382-4271, 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
9M18-1
NSN: 5340-00-382-4271
NIINs: 003824271, 011318833
FSC: 5340 — Hardware, Commercial
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
width0.660 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN
length1.190 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
materialSTEEL COMP 1095 OVERALL
hole_diameter0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
overall_width1.800 INCHES NOMINAL IN
overall_height1.920 INCHES NOMINAL IN
overall_length1.835 INCHES NOMINAL IN
mounting_methodBRACKET(S) SINGLE MOUNTING FACILITY
special_featuresBINARY CODED; OCTAL; 1 COMMON; PANEL SEAL
features_providedRFI SHIELDING AND ILLUMINATED
surface_treatmentCADMIUM OVERALL
material_thickness0.032 INCHES NOMINAL IN
NSN5340-00-382-4271
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9M18-1 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
•
LENGTH: 1.190 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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LOOP/HOLDING DIMENSION: 0.562 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO END: 0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.190 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
LENGTH1.190 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
LOOP/HOLDING DIMENSION0.562 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO END0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
WIDTH0.660 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1095 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
9M218-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9M18-1?
9M18-1 is a SWITCH,CODE INDICATING WHEEL.
What parts can replace 9M18-1?
There is 1 known substitute for 9M18-1: 9M218-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 9M18-1?
9M18-1 is cataloged in the U.S. Government catalog under NSN 5340-00-382-4271. 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.