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DF330644 — STOP,MANUAL CONTROL LEVER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

DF330644: STOP,MANUAL CONTROL LEVER.

The STOP,MANUAL CONTROL LEVER is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 5.290 INCHES NOMINAL IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET ALL ENDS, special_features: 2.928 IN. OD BY 1.938 IN.

ID; 0.375 IN. THK IN, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-356-3125, 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
DF330644
NSN: 4820-01-356-3125
NIINs: 013563125, 013588889, 013588890, 013773873, 013773890, 014158288, 014158290, 014158291, 014158292, 014158295, 014354154, 014730994
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length5.290 INCHES NOMINAL IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET ALL ENDS
special_features2.928 IN. OD BY 1.938 IN. ID; 0.375 IN. THK IN
style_designatorSTRAIGHT THRU
attachment_methodDRILLED HOLE
maximum_operating_temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
end_item_identificationSEAWOLF CLASS SSN
stem_actuating_end_typeTHREADED INTERNALLY
largest_outside_diameter1.110 INCHES NOMINAL IN
NSN4820-01-356-3125
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DF330644 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: NICKEL COPPER ALLOY;3.490 IN. O/A LG IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONNICKEL COPPER ALLOY;3.490 IN. O/A LG IN
SUBSTITUTES & CROSS-REFERENCES 3
DF330644 FIND 179Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
801-6408784 FIND 170Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
801-6408784Reference 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 DF330644?
DF330644 is a STOP,MANUAL CONTROL LEVER.
What parts can replace DF330644?
There are 3 known substitutes for DF330644: DF330644 FIND 179, 801-6408784 FIND 170, 801-6408784. Substitute compatibility should be verified for your specific system.
What is the NSN for DF330644?
DF330644 is cataloged in the U.S. Government catalog under NSN 4820-01-356-3125. 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.