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12389355 — VALVE,STOP-CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

12389355: VALVE,STOP-CHECK.

The VALVE,STOP-CHECK is a the manufacturer industrial component. Key specifications include connection_type: THREADED EXTERNAL BOSS ALL ENDS, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS, style_designator: STRAIGHT THRU W/OFFSET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-222-8196, 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
12389355
NSN: 4820-01-222-8196
FSC: 4820 — Valves, Nonpowered
CAGE: 97993 — GENERAL DYNAMICS DEFENSE SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS (USA)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL BOSS ALL ENDS
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
style_designatorSTRAIGHT THRU W/OFFSET
NSN4820-01-222-8196
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 12389355 · 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
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL BOSS ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU W/OFFSET
TECHNICAL CHARACTERISTICS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU W/OFFSET
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
11629872Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 12389355?
12389355 is a VALVE,STOP-CHECK.
What parts can replace 12389355?
There is 1 known substitute for 12389355: 11629872. Substitute compatibility should be verified for your specific system.
What is the NSN for 12389355?
12389355 is cataloged in the U.S. Government catalog under NSN 4820-01-222-8196. 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.