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A0831-01 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A0831-01: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, bonnet_type: INSIDE SCREW, connection_type: BUTT WELD TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, special_features: W/ WRENCHING FLATS, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-423-1874, 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
A0831-01
NSN: 4820-01-423-1874
NIINs: 014231874, 014232002, 014232012, 014232020
FSC: 4820 — Valves, Nonpowered
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
bonnet_typeINSIDE SCREW
connection_typeBUTT WELD TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
special_featuresW/ WRENCHING FLATS
style_designatorSTRAIGHT THRU
attachment_methodTHREADED
features_providedBONNET PACKING
flow_control_deviceDISK
valve_operation_methodMANUAL
end_item_identificationNAVY WEAPONS SYSTEM CODE,TH,STRATEGIC SEALIFT CONVERSION SHIPS CLASS
stem_actuating_end_typeTHREADED EXTERNALLY
NSN4820-01-423-1874
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A0831-01 · 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
•
STYLE DESIGNATOR: SOLID WEDGE
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSOLID WEDGE
END ITEM IDENTIFICATIONNAVY WEAPONS SYSTEM CODE,TH,STRATEGIC SEALIFT CONVERSION SHIPS CLASS
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
A0831-01 REV0 IReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
28S-FS2 ITEM 2 1/4IN.Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A0831-01?
A0831-01 is a DISK,VALVE.
What parts can replace A0831-01?
There are 2 known substitutes for A0831-01: A0831-01 REV0 I, 28S-FS2 ITEM 2 1/4IN.. Substitute compatibility should be verified for your specific system.
What is the NSN for A0831-01?
A0831-01 is cataloged in the U.S. Government catalog under NSN 4820-01-423-1874. 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.