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CM1102R20TDDL21 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

CM1102R20TDDL21: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: IRON CAST, connection_type: THREADED INTERNAL PIPE, nominal_thread_size: 0.750 INCHES IN, valve_operation_method: AUTOMATIC, thread_series_designator: NPT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-115-8080, 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
CM1102R20TDDL21
NSN: 4820-01-115-8080
FSC: 4820 — Valves, Nonpowered
CAGE: 32705 — VICKERS INC (USA)
SPECIFICATIONS
body_materialIRON CAST
connection_typeTHREADED INTERNAL PIPE
nominal_thread_size0.750 INCHES IN
valve_operation_methodAUTOMATIC
end_connection_quantity3
thread_series_designatorNPT
NSN4820-01-115-8080
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: CM1102R20TDDL21 · 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
•
CONNECTION TYPE: THREADED INTERNAL PIPE
•
END CONNECTION QUANTITY: 3
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
BODY MATERIAL: IRON CAST
•
THREAD SERIES DESIGNATOR: NPT
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE
END CONNECTION QUANTITY3
NOMINAL THREAD SIZE0.750 INCHES IN
BODY MATERIALIRON CAST
THREAD SERIES DESIGNATORNPT
VALVE OPERATION METHODAUTOMATIC
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
4886785-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 CM1102R20TDDL21?
CM1102R20TDDL21 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace CM1102R20TDDL21?
There is 1 known substitute for CM1102R20TDDL21: 4886785-7. Substitute compatibility should be verified for your specific system.
What is the NSN for CM1102R20TDDL21?
CM1102R20TDDL21 is cataloged in the U.S. Government catalog under NSN 4820-01-115-8080. 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.