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B-65TF12-QEK-U1 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B-65TF12-QEK-U1: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include special_features: DIVING MATERIAL HAS BEEN IDENTIFIED AS LIFE CRITICAL; VALVE SZ 0.750 IN. IN, style_designator: STRAIGHT THRU, valve_operation_method: MANUAL, end_item_identification: DIVERS LIFE SUPPORT SYSTEM.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-440-6649, 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
B-65TF12-QEK-U1
NSN: 4820-01-440-6649
FSC: 4820 — Valves, Nonpowered
CAGE: 12623 — WHITEY CO (USA)
SPECIFICATIONS
special_featuresDIVING MATERIAL HAS BEEN IDENTIFIED AS LIFE CRITICAL; VALVE SZ 0.750 IN. IN
style_designatorSTRAIGHT THRU
valve_operation_methodMANUAL
end_item_identificationDIVERS LIFE SUPPORT SYSTEM
NSN4820-01-440-6649
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-65TF12-QEK-U1 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESDIVING MATERIAL HAS BEEN IDENTIFIED AS LIFE CRITICAL; VALVE SZ 0.750 IN. IN
END ITEM IDENTIFICATIONDIVERS LIFE SUPPORT SYSTEM
VALVE OPERATION METHODMANUAL
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 3
B-65TF12-BK-EK-STSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B-65TF12-BK-QEKReference document
Same NSN cross-reference
Reference document — Secondary reference
B-65TF12-BK-OEKSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 B-65TF12-QEK-U1?
B-65TF12-QEK-U1 is a VALVE,BALL.
What parts can replace B-65TF12-QEK-U1?
There are 3 known substitutes for B-65TF12-QEK-U1: B-65TF12-BK-EK-ST, B-65TF12-BK-QEK, B-65TF12-BK-OEK. Substitute compatibility should be verified for your specific system.
What is the NSN for B-65TF12-QEK-U1?
B-65TF12-QEK-U1 is cataloged in the U.S. Government catalog under NSN 4820-01-440-6649. 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.