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12129-1400 — COUPLING,ACTUATOR-HANDWHEEL,VALV

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

12129-1400: COUPLING,ACTUATOR-HANDWHEEL,VALV.

COUPLING,ACTUATOR-HANDWHEEL,VALV. Key specifications include connection_size: 0.500 INCHES IN, connector_end_design: MALE, end_item_identification: FLEX REMOTE VALVE, valve_type_for_which_designed: RISING STEM, part_name_assigned_by_controlling_agency: QUICK DISCONNECT VALVE COUPLING FOR FLEXIBLE SHAFTING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-679-9178, 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
12129-1400
NSN: 4820-01-679-9178
FSC: 4820 — Valves, Nonpowered
CAGE: 72166 — B.W. ELLIOTT MANUFACTURING CO., LLC (USA)
SPECIFICATIONS
connection_size0.500 INCHES IN
connector_end_designMALE
end_item_identificationFLEX REMOTE VALVE
valve_type_for_which_designedRISING STEM
part_name_assigned_by_controlling_agencyQUICK DISCONNECT VALVE COUPLING FOR FLEXIBLE SHAFTING
NSN4820-01-679-9178
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 12129-1400 · 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
•
VALVE TYPE FOR WHICH DESIGNED: RISING STEM
•
CONNECTOR END DESIGN: MALE
•
CONNECTION SIZE: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDRISING STEM
CONNECTOR END DESIGNMALE
PART NAME ASSIGNED BY CONTROLLING AGENCYQUICK DISCONNECT VALVE COUPLING FOR FLEXIBLE SHAFTING
END ITEM IDENTIFICATIONFLEX REMOTE VALVE
CONNECTION SIZE0.500 INCHES IN
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

No substitute or cross-reference records for this part.

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 12129-1400?
12129-1400 is a COUPLING,ACTUATOR-HANDWHEEL,VALV.
What is the NSN for 12129-1400?
12129-1400 is cataloged in the U.S. Government catalog under NSN 4820-01-679-9178. 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.