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2498-00-300 — SEMICONDUCTOR DEVICES,UNITIZED

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2498-00-300: SEMICONDUCTOR DEVICES,UNITIZED.

The SEMICONDUCTOR DEVICES,UNITIZED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: HEXAGON, nut_height: 0.403 INCHES MINIMUM AND 0.441 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-390-8559, 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
2498-00-300
NSN: 4820-01-390-8559
NIINs: 013908559, 013909562, 014137527, 014212590, 014218143, 014218820, 014588578, 014588579, 014613107, 014615995, 014615999, 014704717, 014955191, 015004845, 015004855
FSC: 4820 — Valves, Nonpowered
CAGE: 16626 — CIRCOR INTL INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleHEXAGON
nut_height0.403 INCHES MINIMUM AND 0.441 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
width_across_flats0.669 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeCHAMFERED
thread_pitch_diameters+0.3344 TO 0.3401 INCHES IN
end_item_identificationUSED ON NIMITZ CLASS CVN
NSN4820-01-390-8559
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2498-00-300 · 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 3
2498-00-313PN13Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2498-00-300PN13,10.00INCHReference document
Same NSN cross-reference
Reference document — Secondary reference
2498-00-313PN13,10.00INCHReference document
Same NSN cross-reference
Reference document — Secondary reference
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 2498-00-300?
2498-00-300 is a SEMICONDUCTOR DEVICES,UNITIZED.
What parts can replace 2498-00-300?
There are 3 known substitutes for 2498-00-300: 2498-00-313PN13, 2498-00-300PN13,10.00INCH, 2498-00-313PN13,10.00INCH. Substitute compatibility should be verified for your specific system.
What is the NSN for 2498-00-300?
2498-00-300 is cataloged in the U.S. Government catalog under NSN 4820-01-390-8559. 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.