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310B170 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

310B170: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, pressure_rating: 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 2.500 INCHES NOMINAL IN, special_features: FOR M SERIES VALVES, style_designator: BUTTERFLY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-203-2479, 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
310B170
NSN: 4820-01-203-2479
FSC: 4820 — Valves, Nonpowered
CAGE: 91363 — NORRISEAL NORRIS VALUES DIV DBA DOVER CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
pressure_rating200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter2.500 INCHES NOMINAL IN
special_featuresFOR M SERIES VALVES
style_designatorBUTTERFLY
NSN4820-01-203-2479
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 310B170 · 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
•
PRESSURE RATING: 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
OUTSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BUTTERFLY
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
PRESSURE RATING200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
STYLE DESIGNATORBUTTERFLY
SPECIAL FEATURESFOR M SERIES VALVES
MATERIALCOPPER ALLOY
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
51310B170Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 310B170?
310B170 is a DISK,VALVE.
What parts can replace 310B170?
There is 1 known substitute for 310B170: 51310B170. Substitute compatibility should be verified for your specific system.
What is the NSN for 310B170?
310B170 is cataloged in the U.S. Government catalog under NSN 4820-01-203-2479. 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.