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377969-2 — BALL,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

377969-2: BALL,CHECK.

The BALL,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, spherical_diameter: 0.250 INCHES NOMINAL IN, end_item_identification: 5IN MOUNT MK30 MOD 50 LIQUID FILLING PUMP IN, part_name_assigned_by_controlling_agency: BALL S/S GRD 1. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-598-8946, 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
377969-2
NSN: 4820-01-598-8946
FSC: 4820 — Valves, Nonpowered
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
spherical_diameter0.250 INCHES NOMINAL IN
end_item_identification5IN MOUNT MK30 MOD 50 LIQUID FILLING PUMP IN
part_name_assigned_by_controlling_agencyBALL S/S GRD 1
NSN4820-01-598-8946
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 377969-2 · 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: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SPHERICAL DIAMETER0.250 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBALL S/S GRD 1
END ITEM IDENTIFICATION5IN MOUNT MK30 MOD 50 LIQUID FILLING PUMP IN
MATERIALSTEEL CORROSION RESISTING
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 377969-2?
377969-2 is a BALL,CHECK.
What is the NSN for 377969-2?
377969-2 is cataloged in the U.S. Government catalog under NSN 4820-01-598-8946. 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.