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30639 PIECE 6 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

30639 PIECE 6: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, pressure_rating: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, style_designator: SPECIAL SHAPED, supplementary_features: SERIES 41 REGULATORS PL 6751-15 ITEM 9, end_item_identification: 4820-00-580-3011, media_for_which_designed: AIR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-186-0983, 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
30639 PIECE 6
NSN: 4820-01-186-0983
FSC: 4820 — Valves, Nonpowered
CAGE: 41387 — SIEMENS INDUSTRY, INC. DBA SIEMENS ENERGY DIV PROCESS INDUSTRIES AND DRIVES (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
pressure_rating100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
style_designatorSPECIAL SHAPED
supplementary_featuresSERIES 41 REGULATORS PL 6751-15 ITEM 9
end_item_identification4820-00-580-3011
media_for_which_designedAIR
NSN4820-01-186-0983
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 30639 PIECE 6 · 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
•
PRESSURE RATING: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
SUPPLEMENTARY FEATURES: SERIES 41 REGULATORS PL 6751-15 ITEM 9
•
STYLE DESIGNATOR: SPECIAL SHAPED
•
MEDIA FOR WHICH DESIGNED: AIR
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS
PRESSURE RATING100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
SUPPLEMENTARY FEATURESSERIES 41 REGULATORS PL 6751-15 ITEM 9
STYLE DESIGNATORSPECIAL SHAPED
MEDIA FOR WHICH DESIGNEDAIR
END ITEM IDENTIFICATION4820-00-580-3011
MATERIALRUBBER CHLOROPRENE CLASS CR
SUBSTITUTES & CROSS-REFERENCES 2
KR-V5C10060-05-1-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6750-17Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 30639 PIECE 6?
30639 PIECE 6 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace 30639 PIECE 6?
There are 2 known substitutes for 30639 PIECE 6: KR-V5C10060-05-1-9, 6750-17. Substitute compatibility should be verified for your specific system.
What is the NSN for 30639 PIECE 6?
30639 PIECE 6 is cataloged in the U.S. Government catalog under NSN 4820-01-186-0983. 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.