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21801-3 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21801-3: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include jaw_type: SERRATED, overall_length: 6.000 INCHES NOMINAL IN, special_features: DESIGN DESIGNATION RYDER MICRO, design_designation: RYDER, part_name_assigned_by_controlling_agency: PLASTIC SURGERY TC RYDER MICRO NH SERR 6.000 INCH IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-342-2497, 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
21801-3
NSN: 4820-01-342-2497
NIINs: 013422497, 015061478
FSC: 4820 — Valves, Nonpowered
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
jaw_typeSERRATED
overall_length6.000 INCHES NOMINAL IN
special_featuresDESIGN DESIGNATION RYDER MICRO
design_designationRYDER
part_name_assigned_by_controlling_agencyPLASTIC SURGERY TC RYDER MICRO NH SERR 6.000 INCH IN
NSN4820-01-342-2497
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21801-3 · 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
•
STYLE DESIGNATOR: SOLID
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSOLID
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 21801-3?
21801-3 is a DISK,VALVE.
What is the NSN for 21801-3?
21801-3 is cataloged in the U.S. Government catalog under NSN 4820-01-342-2497. 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.