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790903-001 — VALVE ASSEMBLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

790903-001: VALVE ASSEMBLY.

The VALVE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL, ring_style: CONCENTRIC, inside_diameter: 2.625 INCHES NOMINAL IN, material_thickness: 0.206 INCHES NOMINAL IN, storage_temp_range: -65.0 TO 300.0 FAHRENHEIT DEGF, end_item_identification: LIQUID OXYGEN/NITRO. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-463-1904, 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
790903-001
NSN: 4820-01-463-1904
FSC: 4820 — Valves, Nonpowered
CAGE: 75906 — PACIFIC CONSOLIDATED INDUSTRIES LLC (USA)
SPECIFICATIONS
materialRUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
ring_styleCONCENTRIC
inside_diameter2.625 INCHES NOMINAL IN
material_thickness0.206 INCHES NOMINAL IN
storage_temp_range-65.0 TO 300.0 FAHRENHEIT DEGF
end_item_identificationLIQUID OXYGEN/NITRO
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
part_name_assigned_by_controlling_agencySEAL, PISTON
NSN4820-01-463-1904
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 790903-001 · 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
SUBSTITUTES & CROSS-REFERENCES 1
790903Reference 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 790903-001?
790903-001 is a VALVE ASSEMBLY.
What parts can replace 790903-001?
There is 1 known substitute for 790903-001: 790903. Substitute compatibility should be verified for your specific system.
What is the NSN for 790903-001?
790903-001 is cataloged in the U.S. Government catalog under NSN 4820-01-463-1904. 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.