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34778 ✓ Verified by PartsTable
Hama · GATE VALVE
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

- Timeless, glossy silver portrait frame with a passe-partout for a square photo.<br>- You can have the frame standing up or hang it on the wall. Key specifications include general_characteristics_item_description: CORROSION RESISTING STEEL; 2 HOLES 0.625 IN.DIA,5.062 IN.BOLT CIRCLE; 6.188 IN.DIA; 1.125 IN.W IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-117-0833, 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
34778
NSN: 4820-01-117-0833
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCORROSION RESISTING STEEL; 2 HOLES 0.625 IN.DIA,5.062 IN.BOLT CIRCLE; 6.188 IN.DIA; 1.125 IN.W IN
NSN4820-01-117-0833
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 34778 · Hama ⚠ 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CORROSION RESISTING STEEL; 2 HOLES 0.625 IN.DIA,5.062 IN.BOLT CIRCLE; 6.188 IN.DIA; 1.125 IN.W IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCORROSION RESISTING STEEL; 2 HOLES 0.625 IN.DIA,5.062 IN.BOLT CIRCLE; 6.188 IN.DIA; 1.125 IN.W IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
26668-03-72Interchangeable
interchangeable cross-reference
interchangeable
3290999Interchangeable
interchangeable cross-reference
interchangeable
11101NPC20Interchangeable
interchangeable cross-reference
interchangeable
N12267Interchangeable
interchangeable cross-reference
interchangeable
11101NInterchangeable
interchangeable cross-reference
interchangeable
PNS283-3PC13-53Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 34778?
34778 is a CHAMBER,DIAPHRAGM manufactured by Hama.
What parts can replace 34778?
There are 13 known substitutes for 34778: 26668-03-72, 3290999, 11101NPC20 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 34778?
34778 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-117-0833. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026