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4912K99 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4912K99: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, special_features: SCREWDRIVER HANDLE, surface_treatment: CHROMATE, maximum_operating_temp: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, end_item_identification: 5419-01-539-7178; EXPEDITIONARY LATRINE SYSTEM, part_name_assigned_by_controlling_agency: MINIATURE CHROME-PLATED BRASS BALL VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-643-2531, 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
4912K99
NSN: 4820-01-643-2531
FSC: 4820 — Valves, Nonpowered
CAGE: 3P3A1 — RUB INCORPORATED (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
special_featuresSCREWDRIVER HANDLE
surface_treatmentCHROMATE
maximum_operating_temp200.0 FAHRENHEIT SINGLE RESPONSE DEGF
end_item_identification5419-01-539-7178; EXPEDITIONARY LATRINE SYSTEM
part_name_assigned_by_controlling_agencyMINIATURE CHROME-PLATED BRASS BALL VALVE
NSN4820-01-643-2531
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4912K99 · 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
•
MAXIMUM OPERATING TEMP: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
SURFACE TREATMENT: CHROMATE
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURESSCREWDRIVER HANDLE
SURFACE TREATMENTCHROMATE
PART NAME ASSIGNED BY CONTROLLING AGENCYMINIATURE CHROME-PLATED BRASS BALL VALVE
END ITEM IDENTIFICATION5419-01-539-7178; EXPEDITIONARY LATRINE SYSTEM
MATERIALCOPPER ALLOY BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
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 1
4912K45Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4912K99?
4912K99 is a VALVE,BALL.
What parts can replace 4912K99?
There is 1 known substitute for 4912K99: 4912K45. Substitute compatibility should be verified for your specific system.
What is the NSN for 4912K99?
4912K99 is cataloged in the U.S. Government catalog under NSN 4820-01-643-2531. 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.