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2CR890 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2CR890: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, overall_height: 0.281 INCHES NOMINAL IN, inside_diameter: 1.596 INCHES NOMINAL IN, outside_diameter: 2.500 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-208-2219, 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
2CR890
NSN: 4820-01-208-2219
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
overall_height0.281 INCHES NOMINAL IN
inside_diameter1.596 INCHES NOMINAL IN
outside_diameter2.500 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorPLAIN
end_item_identificationCLA-VAL 2.000 IN. PRESSURE RELIEF VALVE; HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS) IN
criticality_code_justificationFEAT
NSN4820-01-208-2219
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2CR890 · 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
•
OUTSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
STYLE DESIGNATOR: PLAIN
•
INSIDE DIAMETER: 1.596 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.281 INCHES NOMINAL IN
OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
STYLE DESIGNATORPLAIN
INSIDE DIAMETER1.596 INCHES NOMINAL IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
END ITEM IDENTIFICATIONCLA-VAL 2.000 IN. PRESSURE RELIEF VALVE; HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS) IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 2
45A391-P24Reference document
Same NSN cross-reference
Reference document — Secondary reference
45A391P5Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2CR890?
2CR890 is a DISK,VALVE.
What parts can replace 2CR890?
There are 2 known substitutes for 2CR890: 45A391-P24, 45A391P5. Substitute compatibility should be verified for your specific system.
What is the NSN for 2CR890?
2CR890 is cataloged in the U.S. Government catalog under NSN 4820-01-208-2219. 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.