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673074 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

673074: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-311-8977, 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
673074
NSN: 4820-00-311-8977
FSC: 4820 — Valves, Nonpowered
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialRUBBER
NSN4820-00-311-8977
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 673074 · 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: RUBBER
TECHNICAL CHARACTERISTICS
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 4
V-1938-XReference document
Same NSN cross-reference
Reference document — Secondary reference
V-1939-XReference document
Same NSN cross-reference
Reference document — Secondary reference
19197CReference document
Same NSN cross-reference
Reference document — Secondary reference
254417Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 673074?
673074 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 673074?
There are 4 known substitutes for 673074: V-1938-X, V-1939-X, 19197C and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 673074?
673074 is cataloged in the U.S. Government catalog under NSN 4820-00-311-8977. 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.