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816746-1 — BALL,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

816746-1: BALL,CHECK.

The BALL,CHECK is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, spherical_diameter: 0.375 INCHES NOMINAL IN, valve_design_control_activity: 73030, valve_size_for_which_designed: 0.375 INCHES IN, valve_model_number_for_which_designed: 816746-1. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-469-6543, 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
816746-1
NSN: 4820-01-469-6543
FSC: 4820 — Valves, Nonpowered
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
spherical_diameter0.375 INCHES NOMINAL IN
valve_design_control_activity73030
valve_size_for_which_designed0.375 INCHES IN
valve_model_number_for_which_designed816746-1
NSN4820-01-469-6543
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 816746-1 · 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
•
SPHERICAL DIAMETER: 0.375 INCHES NOMINAL IN
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 816746-1
•
VALVE SIZE FOR WHICH DESIGNED: 0.375 INCHES IN
•
VALVE DESIGN CONTROL ACTIVITY: 73030
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
SPHERICAL DIAMETER0.375 INCHES NOMINAL IN
VALVE MODEL NUMBER FOR WHICH DESIGNED816746-1
VALVE SIZE FOR WHICH DESIGNED0.375 INCHES IN
VALVE DESIGN CONTROL ACTIVITY73030
MATERIALRUBBER FLUOROSILICONE CLASS FQ
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 816746-1?
816746-1 is a BALL,CHECK.
What is the NSN for 816746-1?
816746-1 is cataloged in the U.S. Government catalog under NSN 4820-01-469-6543. 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.