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H683-4302-2L1 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

H683-4302-2L1: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include special_features: STEM,VALVE (INAVY); BUOYANT CABLE ANTENNA HULL & BACK-UP SHEAR VALVE ASSEMBLY & DETAILS, end_item_identification: SHEAR VALVE ASSEMBLY, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-545-0040, 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
H683-4302-2L1
NSN: 4820-01-545-0040
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
special_featuresSTEM,VALVE (INAVY); BUOYANT CABLE ANTENNA HULL & BACK-UP SHEAR VALVE ASSEMBLY & DETAILS
end_item_identificationSHEAR VALVE ASSEMBLY
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN4820-01-545-0040
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H683-4302-2L1 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
SPECIAL FEATURESSTEM,VALVE (INAVY); BUOYANT CABLE ANTENNA HULL & BACK-UP SHEAR VALVE ASSEMBLY & DETAILS
END ITEM IDENTIFICATIONSHEAR VALVE ASSEMBLY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
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
H683-4302-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
440-7067818-2L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
440-7067818-2Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is H683-4302-2L1?
H683-4302-2L1 is a STEM,FLUID VALVE.
What parts can replace H683-4302-2L1?
There are 3 known substitutes for H683-4302-2L1: H683-4302-2, 440-7067818-2L1, 440-7067818-2. Substitute compatibility should be verified for your specific system.
What is the NSN for H683-4302-2L1?
H683-4302-2L1 is cataloged in the U.S. Government catalog under NSN 4820-01-545-0040. This indicates validated use in U.S. government and defense supply chains.
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