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640929-1-2 — PARTS KIT,BALL VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

640929-1-2: PARTS KIT,BALL VALVE.

The PARTS KIT,BALL VALVE is a the manufacturer industrial component. Key specifications include end_item_name: VALVE, end_item_source: 53711, end_item_identification: VALVE BALL, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: QUALITY ASSURANCE TESTED FOR SURFFACE OR SUBMARINE APPLICATION. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-345-5706, 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
640929-1-2
NSN: 4820-01-345-5706
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
end_item_nameVALVE
end_item_source53711
component_quantity2
end_item_identificationVALVE BALL
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsQUALITY ASSURANCE TESTED FOR SURFFACE OR SUBMARINE APPLICATION
NSN4820-01-345-5706
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 640929-1-2 · 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
•
COMPONENT QUANTITY: 2
•
END ITEM SOURCE: 53711
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
END ITEM NAME: VALVE
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY ASSURANCE TESTED FOR SURFFACE OR SUBMARINE APPLICATION
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY2
END ITEM SOURCE53711
CRITICALITY CODE JUSTIFICATIONZZZY
END ITEM NAMEVALVE
END ITEM IDENTIFICATIONVALVE BALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY ASSURANCE TESTED FOR SURFFACE OR SUBMARINE APPLICATION
SUBSTITUTES & CROSS-REFERENCES 3
801-6404929-1,2Reference document
Same NSN cross-reference
Reference document — Secondary reference
211046473 AND 211046627Reference document
Same NSN cross-reference
Reference document — Secondary reference
211061016/211046627Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 640929-1-2?
640929-1-2 is a PARTS KIT,BALL VALVE.
What parts can replace 640929-1-2?
There are 3 known substitutes for 640929-1-2: 801-6404929-1,2, 211046473 AND 211046627, 211061016/211046627. Substitute compatibility should be verified for your specific system.
What is the NSN for 640929-1-2?
640929-1-2 is cataloged in the U.S. Government catalog under NSN 4820-01-345-5706. This indicates validated use in U.S. government and defense supply chains.
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