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121936 — SWITCH,CODE INDICATING WHEEL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

121936: SWITCH,CODE INDICATING WHEEL.

The SWITCH,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL, outside_diameter: 2.765 INCHES NOMINAL IN, special_features: TWO 0.218 IN. MTG HOLES,1.188 IN.

C TO C IN, style_designator: BUTTERFLY, material_thickness: 0.078 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 4820-00-367-4212, 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
121936
NSN: 4820-00-367-4212
FSC: 4820 — Valves, Nonpowered
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
materialSTEEL
outside_diameter2.765 INCHES NOMINAL IN
special_featuresTWO 0.218 IN. MTG HOLES,1.188 IN. C TO C IN
style_designatorBUTTERFLY
material_thickness0.078 INCHES NOMINAL IN
NSN4820-00-367-4212
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 121936 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 2.765 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BUTTERFLY
•
MATERIAL THICKNESS: 0.078 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER2.765 INCHES NOMINAL IN
STYLE DESIGNATORBUTTERFLY
MATERIAL THICKNESS0.078 INCHES NOMINAL IN
SPECIAL FEATURESTWO 0.218 IN. MTG HOLES,1.188 IN. C TO C IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
C102-44Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
412593Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121936?
121936 is a SWITCH,CODE INDICATING WHEEL.
What parts can replace 121936?
There are 2 known substitutes for 121936: C102-44, 412593. Substitute compatibility should be verified for your specific system.
What is the NSN for 121936?
121936 is cataloged in the U.S. Government catalog under NSN 4820-00-367-4212. 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.