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3337894L1 — FLANGE,GLAND,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3337894L1: FLANGE,GLAND,VALVE.

The FLANGE,GLAND,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: FIRING VALVE ASSEMBLY, criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: INAVY:GLAND,VALVE, 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 4820-01-545-0499, 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
3337894L1
NSN: 4820-01-545-0499
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identificationFIRING VALVE ASSEMBLY
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyINAVY:GLAND,VALVE
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN4820-01-545-0499
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3337894L1 · 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
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY:GLAND,VALVE
END ITEM IDENTIFICATIONFIRING VALVE ASSEMBLY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
SUBSTITUTES & CROSS-REFERENCES 3
3337894Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
PL3337820 FIND 19Reference document
Same NSN cross-reference
Reference document — Secondary reference
PL3337820 FIND 19L1Same 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 3337894L1?
3337894L1 is a FLANGE,GLAND,VALVE.
What parts can replace 3337894L1?
There are 3 known substitutes for 3337894L1: 3337894, PL3337820 FIND 19, PL3337820 FIND 19L1. Substitute compatibility should be verified for your specific system.
What is the NSN for 3337894L1?
3337894L1 is cataloged in the U.S. Government catalog under NSN 4820-01-545-0499. 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.