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3146B2 — SLEEVE AND SLIDE,DIRECTIONAL CON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3146B2: SLEEVE AND SLIDE,DIRECTIONAL CON.

SLEEVE AND SLIDE,DIRECTIONAL CON. Key specifications include special_features: STEEL,MIL-S-6709; OD OF SLEEVE FLASH CHROME PLATED PER QQ-C-320. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-208-7174, 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
3146B2
NSN: 4820-01-208-7174
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
special_featuresSTEEL,MIL-S-6709; OD OF SLEEVE FLASH CHROME PLATED PER QQ-C-320
NSN4820-01-208-7174
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3146B2 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSTEEL,MIL-S-6709; OD OF SLEEVE FLASH CHROME PLATED PER QQ-C-320
SUBSTITUTES & CROSS-REFERENCES 2
3146RA PIECE 2Reference document
Same NSN cross-reference
Reference document — Secondary reference
3146RAReference 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 3146B2?
3146B2 is a SLEEVE AND SLIDE,DIRECTIONAL CON.
What parts can replace 3146B2?
There are 2 known substitutes for 3146B2: 3146RA PIECE 2, 3146RA. Substitute compatibility should be verified for your specific system.
What is the NSN for 3146B2?
3146B2 is cataloged in the U.S. Government catalog under NSN 4820-01-208-7174. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.