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N-830 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_size: 7/16-20, overall_length: 0.531 INCHES NOMINAL IN, special_features: SPECIALLY CLEANED FOR OXYGEN USE FOR UNDERWATER DIVING SYSTEM; NEXT HIGHER ASSEMBLY 4820-01-440-8574, style_designator: TWO PIECE SPECIAL, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-198-3005, 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
N-830
NSN: 4820-01-198-3005
FSC: 4820
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_size7/16-20
overall_length0.531 INCHES NOMINAL IN
special_featuresSPECIALLY CLEANED FOR OXYGEN USE FOR UNDERWATER DIVING SYSTEM; NEXT HIGHER ASSEMBLY 4820-01-440-8574
style_designatorTWO PIECE SPECIAL
thread_directionRIGHT-HAND
thread_provisionTHREADED
width_across_flats0.500 INCHES NOMINAL IN
end_item_identificationNAVY WEAPONS CODE JM, EMORY CLASS AS
largest_outside_diameter0.375 INCHES NOMINAL IN
smallest_outside_diameter0.312 INCHES NOMINAL IN
screw_thread_series_designatorUNF
NSN4820-01-198-3005
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N-830 · 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
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING
OVERALL LENGTH2.613 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
N-830 SHEET 1 PIECE 67Interchangeable
interchangeable cross-reference
interchangeable
104-01212Interchangeable
interchangeable cross-reference
interchangeable
N-830Interchangeable
interchangeable cross-reference
interchangeable
N-830 SHEET 1 PIECE 62Interchangeable
interchangeable cross-reference
interchangeable
N-845 SHT 1 PIECE 62L1Interchangeable
interchangeable cross-reference
interchangeable
N-830 SHEET 1 PIECE 43Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N-830?
N-830 is a FILTER ELEMENT,FLUID.
What parts can replace N-830?
There are 7 known substitutes for N-830: N-830 SHEET 1 PIECE 67, 104-01212, N-830 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N-830?
N-830 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-198-3005. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026