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6408783 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6408783: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY STEM, overall_length: 4.350 INCHES NOMINAL IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET ALL ENDS, special_features: FOR LEVEL 1 SUBSAFE APPLICATIONS USE NSN 4820-01-341-4200, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-452-7208, 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
6408783
NSN: 4820-01-452-7208
NIINs: 014527208, 014939592
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY STEM
overall_length4.350 INCHES NOMINAL IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET ALL ENDS
special_featuresFOR LEVEL 1 SUBSAFE APPLICATIONS USE NSN 4820-01-341-4200
style_designatorSTRAIGHT THRU
valve_operation_methodMANUAL
end_item_identificationSEA WOLF CLASS SUBMARINE
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter1.050 INCHES NOMINAL IN
media_for_which_designedAIR SINGLE RESPONSE
furnished_items_and_quantity1 HANDLE
NSN4820-01-452-7208
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6408783 · 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 TYPE FOR WHICH DESIGNED: BALL
•
LARGEST OUTSIDE DIAMETER: 1.050 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 6408783
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FORM 2,COND-ANL FED SPEC SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 0.250 INCHES AND 0.500 INCHES IN
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
LARGEST OUTSIDE DIAMETER1.050 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
VALVE MODEL NUMBER FOR WHICH DESIGNED6408783
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FORM 2,COND-ANL FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH4.350 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED0.250 INCHES AND 0.500 INCHES IN
SPECIAL FEATURESSTEM END,0.438-14UNC-3A THD,0.850 IN.LG A
END ITEM IDENTIFICATIONSEAWOLF SSN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
DF330643Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
DF330643 FN 14Same 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 6408783?
6408783 is a VALVE,BALL.
What parts can replace 6408783?
There are 2 known substitutes for 6408783: DF330643, DF330643 FN 14. Substitute compatibility should be verified for your specific system.
What is the NSN for 6408783?
6408783 is cataloged in the U.S. Government catalog under NSN 4820-01-452-7208. This indicates validated use in U.S. government and defense supply chains.
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