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SM1220 — BUSHING

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

SM1220: BUSHING.

The BUSHING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-00-251-8583, 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→ SM1220
NSN: 4820-00-251-8583
NIINs: 002518583, 003558745
FSC: 4820 — Valves, Nonpowered
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
Part NumberSM1220
NSN4820-00-251-8583
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SM1220 · 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

No substitute or cross-reference records for this part.

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 SM1220?
SM1220 is a BUSHING. It is classified as a MRO (MRO_GENERAL).
What is the NSN for SM1220?
SM1220 is cataloged in the U.S. Government catalog under NSN 4820-00-251-8583. This indicates validated use in U.S. government and defense supply chains.
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