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974743-4 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

974743-4: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630, seat_angle: 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM, overall_height: 1.448 INCHES MINIMUM AND 1.468 INCHES MAXIMUM IN, shank_diameter: 0.124 INCHES NOMINAL IN, flange_diameter: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-413-3658, 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
974743-4
NSN: 4820-01-413-3658
FSC: 4820 — Valves, Nonpowered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL COMP 630
seat_angle44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM
overall_height1.448 INCHES MINIMUM AND 1.468 INCHES MAXIMUM IN
shank_diameter0.124 INCHES NOMINAL IN
flange_diameter0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
style_designatorPOPPET
end_item_identificationAC130U AIRCRAFT
material_document_and_classificationAMS 5643, COMP 630, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-413-3658
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 974743-4 · 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
•
SHANK DIAMETER: 0.124 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: POPPET
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643, COMP 630, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE
•
SEAT ANGLE: 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM
•
MATERIAL: STEEL COMP 630
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.124 INCHES NOMINAL IN
FLANGE DIAMETER0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
OVERALL HEIGHT1.448 INCHES MINIMUM AND 1.468 INCHES MAXIMUM IN
STYLE DESIGNATORPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643, COMP 630, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE
SEAT ANGLE44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM
END ITEM IDENTIFICATIONAC130U AIRCRAFT
MATERIALSTEEL COMP 630
SUBSTITUTES & CROSS-REFERENCES 1
974743Reference 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 974743-4?
974743-4 is a DISK,VALVE.
What parts can replace 974743-4?
There is 1 known substitute for 974743-4: 974743. Substitute compatibility should be verified for your specific system.
What is the NSN for 974743-4?
974743-4 is cataloged in the U.S. Government catalog under NSN 4820-01-413-3658. 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.