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920-228 REF. 2 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

920-228 REF. 2: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM AND COPPER ALLOY, special_features: VALVE SIZE 3IN IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-375-3966, 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
920-228 REF. 2
NSN: 4820-01-375-3966
FSC: 4820 — Valves, Nonpowered
CAGE: 1NB39 — DOVER RESOURCES, INC. DIV NORRISEAL (USA)
SPECIFICATIONS
materialALUMINUM AND COPPER ALLOY
special_featuresVALVE SIZE 3IN IN
NSN4820-01-375-3966
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 920-228 REF. 2 · 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
•
MATERIAL: ALUMINUM AND COPPER ALLOY
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESVALVE SIZE 3IN IN
MATERIALALUMINUM AND COPPER ALLOY
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 2
51310A422Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
920-228Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 920-228 REF. 2?
920-228 REF. 2 is a DISK,VALVE.
What parts can replace 920-228 REF. 2?
There are 2 known substitutes for 920-228 REF. 2: 51310A422, 920-228. Substitute compatibility should be verified for your specific system.
What is the NSN for 920-228 REF. 2?
920-228 REF. 2 is cataloged in the U.S. Government catalog under NSN 4820-01-375-3966. This indicates validated use in U.S. government and defense supply chains.
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