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ST-1950DLRN — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

ST-1950DLRN: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL OVERALL, seating_surface_shape: ANGULAR, end_item_identification: VARIOUS SUBMARINE PUMPS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-104-4048, 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
ST-1950DLRN
NSN: 4820-01-104-4048
FSC: 4820 — Valves, Nonpowered
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialPLASTIC ACETAL OVERALL
seating_surface_shapeANGULAR
end_item_identificationVARIOUS SUBMARINE PUMPS
NSN4820-01-104-4048
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: ST-1950DLRN · 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: PLASTIC ACETAL OVERALL
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONVARIOUS SUBMARINE PUMPS
MATERIALPLASTIC ACETAL OVERALL
SEATING SURFACE SHAPEANGULAR
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 1
M-1861A SHEET 6 PC 10DLRNReference 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 ST-1950DLRN?
ST-1950DLRN is a SEAT,VALVE.
What parts can replace ST-1950DLRN?
There is 1 known substitute for ST-1950DLRN: M-1861A SHEET 6 PC 10DLRN. Substitute compatibility should be verified for your specific system.
What is the NSN for ST-1950DLRN?
ST-1950DLRN is cataloged in the U.S. Government catalog under NSN 4820-01-104-4048. 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.