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31125772 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

31125772: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-137-2746, 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
31125772
NSN: 4820-01-137-2746
NIINs: 011372746, 012791524, 013058097
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
NSN4820-01-137-2746
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31125772 · 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: 300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TEMP RATING: 180.0 FAHRENHEIT NOMINAL DEGF
•
OUTSIDE DIAMETER: 1.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.203 INCHES NOMINAL IN
PRESSURE RATING300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TEMP RATING180.0 FAHRENHEIT NOMINAL DEGF
OUTSIDE DIAMETER1.812 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
INSIDE DIAMETER0.750 INCHES NOMINAL IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 8
C3277 1-1/2 IN PL4207 PIECE 9Reference document
Same NSN cross-reference
Reference document — Secondary reference
C3277 1-1/2 IN PL4141 PIECE 9Reference document
Same NSN cross-reference
Reference document — Secondary reference
11257-72 BUNA-NReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
C3256 1-1/2 IN ITEM 9Reference document
Same NSN cross-reference
Reference document — Secondary reference
11257-72Reference document
Same NSN cross-reference
Reference document — Secondary reference
PL-1382 PIECE 9Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31125772?
31125772 is a DISK,VALVE.
What parts can replace 31125772?
There are 8 known substitutes for 31125772: C3277 1-1/2 IN PL4207 PIECE 9, C3277 1-1/2 IN PL4141 PIECE 9, 11257-72 BUNA-N and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31125772?
31125772 is cataloged in the U.S. Government catalog under NSN 4820-01-137-2746. 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.