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6839018 — BODY AND SLIDE,DIRECTIONAL CONTR

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6839018: BODY AND SLIDE,DIRECTIONAL CONTR.

BODY AND SLIDE,DIRECTIONAL CONTR. Key specifications include end_item_identification: GMC ALLISON TRANSMISSION DIV MODEL MT650 TRANSMISSION, valve_design_control_activity: 73342. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-557-6553, 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
6839018
NSN: 4820-00-557-6553
FSC: 4820 — Valves, Nonpowered
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
end_item_identificationGMC ALLISON TRANSMISSION DIV MODEL MT650 TRANSMISSION
valve_design_control_activity73342
NSN4820-00-557-6553
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6839018 · 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
•
VALVE DESIGN CONTROL ACTIVITY: 73342
TECHNICAL CHARACTERISTICS
VALVE DESIGN CONTROL ACTIVITY73342
END ITEM IDENTIFICATIONGMC ALLISON TRANSMISSION DIV MODEL MT650 TRANSMISSION
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 1
6836860Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6839018?
6839018 is a BODY AND SLIDE,DIRECTIONAL CONTR.
What parts can replace 6839018?
There is 1 known substitute for 6839018: 6836860. Substitute compatibility should be verified for your specific system.
What is the NSN for 6839018?
6839018 is cataloged in the U.S. Government catalog under NSN 4820-00-557-6553. 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.