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Technical Data Sheet

288A 1/4IN. — VALVE,VACUUM BREAKING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

288A 1/4IN.: VALVE,VACUUM BREAKING.

The VALVE,VACUUM BREAKING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, temp_rating: 210.0 FAHRENHEIT DEGF, special_features: ANGLED FLOW; 125 LBS WORKING PRESSURE; CENTER OF ORIFICE TO TOP 1-3/16IN. AND TO BOTTOM 1-11/16IN.; TOP DIA 1.688 LBS, surface_treatment: CHROMIUM OUTSIDE, temp_adjustability: ADJUSTABLE, flow_control_device: DISK, BOTTOM GUIDED.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-241-4871, 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
288A 1/4IN.
NSN: 4820-01-241-4871
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
temp_rating210.0 FAHRENHEIT DEGF
special_featuresANGLED FLOW; 125 LBS WORKING PRESSURE; CENTER OF ORIFICE TO TOP 1-3/16IN. AND TO BOTTOM 1-11/16IN.; TOP DIA 1.688 LBS
surface_treatmentCHROMIUM OUTSIDE
temp_adjustabilityADJUSTABLE
flow_control_deviceDISK, BOTTOM GUIDED
NSN4820-01-241-4871
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 288A 1/4IN. · 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
•
FLOW CONTROL DEVICE: DISK, BOTTOM GUIDED
•
TEMP RATING: 210.0 FAHRENHEIT DEGF
•
TEMP ADJUSTABILITY: ADJUSTABLE
•
SURFACE TREATMENT: CHROMIUM OUTSIDE
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK, BOTTOM GUIDED
TEMP RATING210.0 FAHRENHEIT DEGF
TEMP ADJUSTABILITYADJUSTABLE
SPECIAL FEATURESANGLED FLOW; 125 LBS WORKING PRESSURE; CENTER OF ORIFICE TO TOP 1-3/16IN. AND TO BOTTOM 1-11/16IN.; TOP DIA 1.688 LBS
SURFACE TREATMENTCHROMIUM OUTSIDE
MATERIALCOPPER ALLOY BODY
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
8524-2501Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 288A 1/4IN.?
288A 1/4IN. is a VALVE,VACUUM BREAKING.
What parts can replace 288A 1/4IN.?
There is 1 known substitute for 288A 1/4IN.: 8524-2501. Substitute compatibility should be verified for your specific system.
What is the NSN for 288A 1/4IN.?
288A 1/4IN. is cataloged in the U.S. Government catalog under NSN 4820-01-241-4871. 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.