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DF330644 FIND 168 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

DF330644 FIND 168: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL OVERALL, overall_height: 0.396 INCHES NOMINAL IN, body_inside_diameter: 2.040 INCHES NOMINAL IN, body_outside_diameter: 3.090 INCHES NOMINAL IN, seating_surface_shape: ANGULAR, criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-350-8729, 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 FIND 168
NSN: 4820-01-350-8729
NIINs: 013508729, 015292981
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialPLASTIC ACETAL OVERALL
overall_height0.396 INCHES NOMINAL IN
body_inside_diameter2.040 INCHES NOMINAL IN
body_outside_diameter3.090 INCHES NOMINAL IN
seating_surface_shapeANGULAR
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsITEMS THAT SUPPORT A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
NSN4820-01-350-8729
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DF330644 FIND 168 · 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
•
BODY OUTSIDE DIAMETER: 3.090 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 2.040 INCHES NOMINAL IN
•
MATERIAL: PLASTIC ACETAL OVERALL
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.396 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.090 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.040 INCHES NOMINAL IN
MATERIALPLASTIC ACETAL OVERALL
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 1
801-6408784 FIND 168Same 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 DF330644 FIND 168?
DF330644 FIND 168 is a SEAT,VALVE.
What parts can replace DF330644 FIND 168?
There is 1 known substitute for DF330644 FIND 168: 801-6408784 FIND 168. Substitute compatibility should be verified for your specific system.
What is the NSN for DF330644 FIND 168?
DF330644 FIND 168 is cataloged in the U.S. Government catalog under NSN 4820-01-350-8729. 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.