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190000 PIECE 7 — RETAINER,SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

190000 PIECE 7: RETAINER,SEAT,VALVE.

The RETAINER,SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, valve_design_control_activity: 77842, material_document_and_classification: QQ-N-281 ASSN STD 1ST MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-110-7658, 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
190000 PIECE 7
NSN: 4820-01-110-7658
FSC: 4820 — Valves, Nonpowered
CAGE: 77842 — EATON CORPORATION DBA EATON INOAC DIV EATON (USA)
SPECIFICATIONS
materialNICKEL ALLOY
valve_design_control_activity77842
material_document_and_classificationQQ-N-281 ASSN STD 1ST MATERIAL RESPONSE
NSN4820-01-110-7658
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 190000 PIECE 7 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 ASSN STD 1ST MATERIAL RESPONSE
•
VALVE DESIGN CONTROL ACTIVITY: 77842
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 ASSN STD 1ST MATERIAL RESPONSE
VALVE DESIGN CONTROL ACTIVITY77842
MATERIALNICKEL ALLOY
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 2
90P808-SReference document
Same NSN cross-reference
Reference document — Secondary reference
190000Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 190000 PIECE 7?
190000 PIECE 7 is a RETAINER,SEAT,VALVE.
What parts can replace 190000 PIECE 7?
There are 2 known substitutes for 190000 PIECE 7: 90P808-S, 190000. Substitute compatibility should be verified for your specific system.
What is the NSN for 190000 PIECE 7?
190000 PIECE 7 is cataloged in the U.S. Government catalog under NSN 4820-01-110-7658. 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.