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390M23-41970 — PISTON,LINEAR ACTUATING CYLINDER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

390M23-41970: PISTON,LINEAR ACTUATING CYLINDER.

PISTON,LINEAR ACTUATING CYLINDER. Key specifications include material: STEEL, overall_diameter: 4.994 INCHES NOMINAL IN, special_features: NHA ACTUATOR,ROTARY,HEAT TREAT TO RC27-34, end_item_identification: SEAWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-506-0460, 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
390M23-41970
NSN: 4810-01-506-0460
NIINs: 015060460, 015071055, 015071150, 015072329, 015084976, 015084979
FSC: 4810 — Valves, Powered
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialSTEEL
overall_diameter4.994 INCHES NOMINAL IN
special_featuresNHA ACTUATOR,ROTARY,HEAT TREAT TO RC27-34
end_item_identificationSEAWOLF CLASS SSN
NSN4810-01-506-0460
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 390M23-41970 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONACTUATOR, ROTARY HYD
SUBSTITUTES & CROSS-REFERENCES 1
390M23Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 390M23-41970?
390M23-41970 is a PISTON,LINEAR ACTUATING CYLINDER.
What parts can replace 390M23-41970?
There is 1 known substitute for 390M23-41970: 390M23. Substitute compatibility should be verified for your specific system.
What is the NSN for 390M23-41970?
390M23-41970 is cataloged in the U.S. Government catalog under NSN 4810-01-506-0460. 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.