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Technical Data Sheet
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680-3D2 — TELEPHONE TERMINAL SUBASSEMBLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

680-3D2: TELEPHONE TERMINAL SUBASSEMBLY.

The TELEPHONE TERMINAL SUBASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: HOMESTEAD ACMI. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-620-6641, 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
680-3D2
NSN: 4820-00-620-6641
FSC: 4820 — Valves, Nonpowered
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
end_item_identificationHOMESTEAD ACMI
NSN4820-00-620-6641
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 680-3D2 · 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
SUBSTITUTES & CROSS-REFERENCES 1
680-3DReference document
Same NSN cross-reference
Reference document — Design control — primary 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 680-3D2?
680-3D2 is a TELEPHONE TERMINAL SUBASSEMBLY.
What parts can replace 680-3D2?
There is 1 known substitute for 680-3D2: 680-3D. Substitute compatibility should be verified for your specific system.
What is the NSN for 680-3D2?
680-3D2 is cataloged in the U.S. Government catalog under NSN 4820-00-620-6641. This indicates validated use in U.S. government and defense supply chains.
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