PartsTable
Technical Data Sheet
Download PDF

831191 — STEM,GOVERNOR VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

831191: STEM,GOVERNOR VALVE.

The STEM,GOVERNOR VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,QQ-S-763,CLASS 416,COND A. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-659-9912, 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
831191
NSN: 4820-00-659-9912
FSC: 4820 — Valves, Nonpowered
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,QQ-S-763,CLASS 416,COND A
NSN4820-00-659-9912
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 831191 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,QQ-S-763,CLASS 416,COND A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,QQ-S-763,CLASS 416,COND A
SUBSTITUTES & CROSS-REFERENCES 4
831033Reference document
Same NSN cross-reference
Reference document — Secondary reference
NB6599PC59Reference document
Same NSN cross-reference
Reference document — Secondary reference
59NB6599Reference document
Same NSN cross-reference
Reference document — Secondary reference
NB3178Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 831191?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 831191?
831191 is a STEM,GOVERNOR VALVE.
What parts can replace 831191?
There are 4 known substitutes for 831191: 831033, NB6599PC59, 59NB6599 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 831191?
831191 is cataloged in the U.S. Government catalog under NSN 4820-00-659-9912. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 831191

✓ 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.