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Technical Data Sheet
PartsTable / MRO / 33747
33747 ✓ Verified by PartsTable
Iomega · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

Value Series Desktop Hard Drive - 640GB - External. Key specifications include end_item_identification: DEVICE 21C10,TRIDENT SHIP CONTROL TRAINER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-893-3216, 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→ 33747
NSN: 4820-00-893-3216
FSC: 4820
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
end_item_identificationDEVICE 21C10,TRIDENT SHIP CONTROL TRAINER
general_characteristics_item_description2 LEGENDS,1 LENS MARKED 400HZ AVAIL,1 LENS MARKED 60HZ AVAIL; DIM. 3.150 IN. LG,1.235 IN. W,1.775 IN. H; FITS PANEL CUTOUT 1.790 IN. H BY 1.250IN. W IN
NSN4820-00-893-3216
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 33747 · Iomega ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
8881Interchangeable
interchangeable cross-reference
interchangeable
294751Interchangeable
interchangeable cross-reference
interchangeable
23729-1Interchangeable
interchangeable cross-reference
interchangeable
23729-006Interchangeable
interchangeable cross-reference
interchangeable
23374-7Interchangeable
interchangeable cross-reference
interchangeable
3374-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33747?
33747 is a SWITCH,PUSH-LIGHT,INDICATING manufactured by Iomega. It is classified as a MRO (MRO_GENERAL).
What parts can replace 33747?
There are 15 known substitutes for 33747: 8881, 294751, 23729-1 and 12 more. Substitute compatibility should be verified for your specific system.
Is 33747 still available?
33747 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