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121018 — FILTER,BAND PASS

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

121018: FILTER,BAND PASS.

The FILTER,BAND PASS is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNTED, body_length: 1.022 INCHES NOMINAL IN, body_diameter: 0.520 INCHES NOMINAL IN, bushing_length: 0.410 INCHES NOMINAL IN, inclosure_type: ENCASED, teeth_quantity: 18. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-412-1039, 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
MRO→ MRO_GENERAL→ 121018
NSN: 5930-00-412-1039
NIINs: 004121039, 006798312, 007595595, 007801745, 009793869, 012836023, 017309850
FSC: 5930 — Switches
CAGE: 97564 — ELECTRO-MECH COMPONENTS, INC. DBA PENDAR SWITCHLIGHT DIV PENDAR SWITCHLIGHT (USA)
SPECIFICATIONS
body_styleBUSHING MOUNTED
body_length1.022 INCHES NOMINAL IN
body_diameter0.520 INCHES NOMINAL IN
bushing_length0.410 INCHES NOMINAL IN
inclosure_typeENCASED
teeth_quantity18
mounting_methodTHREADED BUSHING
voltage_in_volts12.0
features_providedACTUATOR SEAL
nominal_thread_size0.138 INCHES IN
fsc_application_dataTELETYPE AND FACSIMILE EQUIPMENT
end_item_identificationNSN 6640-01-721-7962
NSN5930-00-412-1039
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,BAND PASS TITLE COMPONENT PN 121018 MFR FILTER,BAND PASS
KEY FEATURES
•
BUSHING LENGTH: 0.410 INCHES NOMINAL IN
•
BODY DIAMETER: 0.520 INCHES NOMINAL IN
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY STYLE: BUSHING MOUNTED
•
MOUNTING METHOD: THREADED BUSHING
•
FEATURES PROVIDED: ACTUATOR SEAL
•
NOMINAL THREAD SIZE: 0.563 INCHES IN
•
BODY LENGTH: 1.022 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.410 INCHES NOMINAL IN
BODY DIAMETER0.520 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
BODY STYLEBUSHING MOUNTED
MOUNTING METHODTHREADED BUSHING
FEATURES PROVIDEDACTUATOR SEAL
NOMINAL THREAD SIZE0.563 INCHES IN
BODY LENGTH1.022 INCHES NOMINAL IN
NONPILE-UP CONTACT ARRANGEMENT1 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
MAXIMUM VOLTAGE RATING IN VOLTS125.0 AC AND 28.0 DC
SUBSTITUTES & CROSS-REFERENCES 1
S18011D4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121018?
121018 is a FILTER,BAND PASS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 121018?
There is 1 known substitute for 121018: S18011D4. Substitute compatibility should be verified for your specific system.
What is the NSN for 121018?
121018 is cataloged in the U.S. Government catalog under NSN 5930-00-412-1039. 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.